[HN Gopher] Royal Marines Testing Out Jet Suits [video]
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       Royal Marines Testing Out Jet Suits [video]
        
       Author : daniellenewnham
       Score  : 127 points
       Date   : 2021-05-10 13:57 UTC (9 hours ago)
        
 (HTM) web link (www.youtube.com)
 (TXT) w3m dump (www.youtube.com)
        
       | jimsmart wrote:
       | Gravity Industries official website
       | 
       | https://gravity.co
       | 
       | -- They regularly post on FB also
       | 
       | https://www.facebook.com/takeongravity
        
         | dmix wrote:
         | I thought I saw these before.
         | 
         | Getting s trial deal with Royal Marines is a good get.
        
       | umvi wrote:
       | Seems like these would be great for pirates (and other nefarious
       | uses like smuggling, etc.) as well. Any technology that can be
       | used by "good guys" can also be used by "bad guys".
        
         | dharmab wrote:
         | If you can afford this (and the extensive training offered by
         | Gravity required to use it without killing yourself) you can
         | afford to not be a pirate.
        
           | nielsbot wrote:
           | Or maybe you're a poor pirate who stole one.
        
             | exdsq wrote:
             | And then took the training. It's like the SAS and their
             | first jump - they lost half the group.
        
               | palijer wrote:
               | It wasn't really lack of jump training that killed the
               | men in Operation Squatter, it was one of the planes
               | getting shot down with 15 men in it, and then fighting
               | the enemy.
        
       | bostonsre wrote:
       | I wonder how quickly one would sink in one of those things.
       | Definitely does not look like it would be easy to swim in.
        
         | jackfrodo wrote:
         | Good point. I would imagine/hope there's some kind of
         | compressed air device that would inflate upon impact with
         | water.
        
       | wing-_-nuts wrote:
       | This reminds me of an old WWI video where the troops are still
       | coming to grips with the technology. It will be interesting to
       | see how things evolve in the future.
        
         | ch4s3 wrote:
         | I'd be very surprised if low flying, high velocity anti-ship
         | missiles don't make this sort of moot for most cases. Modern
         | militaries seem to be playing a dumb game right now where they
         | aren't acknowledging the absolute horror of modern missile
         | systems, and pretending these sorts of WWII style ship to ship
         | battles might happen between one-another.
        
           | djrogers wrote:
           | > Modern militaries seem to be playing a dumb game right now
           | where they aren't acknowledging the absolute horror of modern
           | missile systems
           | 
           | CIWS has been a thing for decades, and had progressed from
           | auto cannons to lasers in the past ~5 years.
           | 
           | This demonstration has nothing to do with ship-to-ship
           | battles, and everything to do with improving options for
           | boarding parties (which can be used against more than
           | warships).
        
       | bencollier49 wrote:
       | "Good for you! Mobile Infantry made me the man I am today!"
        
         | dmix wrote:
         | Underrated movie. I just rewatched it last week and it was much
         | more well done than I remember. Maybe because I'm watching as
         | an adult, not a teen.
        
       | moepstar wrote:
       | Ok, that's on my Amazon Wishlist now...
       | 
       | With that out of the way - could this be one of the devices that
       | have been used/spotted at high altitudes by plane pilots?
        
         | neither_color wrote:
         | The lateral/transversal movements could resemble UFO
         | descriptions, but that those altitude you'd probably need a
         | whole life support system to keep the pilot alive.
        
         | e12e wrote:
         | I think it's unlikely - the company/team behind this tech
         | appear to quite serious, with multiple government contracts in
         | the works, and a focus on safety. I'd be very surprised if they
         | were buzzing commercial aircraft on the US west coast. unless
         | of course they've exported a few suits for testing by some
         | crazy US black Ops private contractors... but again I think
         | it's unlikely.
        
       | darod wrote:
       | Can someone explain the use case? Is it just to help soldiers
       | board an aircraft quickly? With innovations in drone technology,
       | I'd imagine it'd be more ideal to engage with the enemy with an
       | autonomous or remote controlled drone. This would avoid putting a
       | soldier flying's life in danger but maybe I'm missing something.
        
         | dharmab wrote:
         | Honestly? This is mostly PR for Gravity and the Royal Navy.
         | Gravity gets to look cool to investors and the Navy looks cool
         | to recruits.
        
         | chrisseaton wrote:
         | > With innovations in drone technology, I'd imagine it'd be
         | more ideal to engage with the enemy with an autonomous or
         | remote controlled drone.
         | 
         | The enemy are likely _inside_ the ship. So you would need to
         | board and then go into the ship and fight. I can 't imagine a
         | drone being able to do that soon.
        
         | megablast wrote:
         | And what dies the drone do then?? Threaten to explode unless
         | they stop the ship?? Take over the controls??
        
         | T-A wrote:
         | You want to board a ship at sea for inspection. Currently, you
         | either abseil from a hovering helicopter or drive up to the
         | ship's side with a patrol boat and scale a rope ladder
         | courteously provided by the ship's crew. Both approaches put
         | your vehicle and everybody on it at risk: one RPG hit and
         | you're out of business. Having smaller, faster targets approach
         | independently, optionally from multiple directions at once, is
         | obviously better.
        
           | vkou wrote:
           | Unless you are making a habit of inspecting ships that like
           | to surprise you with RPGs fire (And what exactly is their
           | plan _after_ firing that RPG at an inspection crew sent by an
           | incredibly heavily armed warship?), this thing will need an
           | _incredibly_ low accident /crash/technical defect/user error
           | rate in order to be a net positive for adoption.
           | 
           | Also, if you are boarding the kind of vessel that makes a
           | habit of surprising naval inspectors with incredibly lethal
           | application of medium-arms fire, what stops them from
           | shooting you while you float in... Or are screwing around
           | with getting your gear off after you land.
           | 
           | This seems like a fun toy which is only useful in situations
           | when nobody's looking to pick a fight with you.
        
             | adolph wrote:
             | Certainly the technology needs maturing but one might
             | imagine that other elements could provide
             | overwatch/supporting fire while the boarding party
             | maneuvers. Additionally, while the video shows relatively
             | long flights actual use might only replace the ladder or
             | fastrope portion of boarding.
        
               | vkou wrote:
               | Does this sort of thing happen frequently enough in
               | peacetime to even warrant a contract to build this?
               | Again, see my question about "Who in their right mind
               | opens fire on an inspection crew sent by a warship?"
               | 
               | And during wartime, I don't see this being at all useful.
               | This isn't the eighteenth century, warships no longer
               | perform boarding actions against opponents that are going
               | to shoot back.
        
               | wonderwonder wrote:
               | Its already built. You can buy one retail:
               | https://gravity.co/
               | 
               | But yes, not really sure of the real world application of
               | this in a military situation. It seems all you can do is
               | fly, any effort to manipulate a weapon wearing these
               | things seems like it would go poorly.
        
               | zimpenfish wrote:
               | > You can buy one retail
               | 
               | Best I can tell from the website, you can commission one
               | via a "contact us with your enquiry" form but you can't
               | buy one retail as such. Which is a shame because they
               | look like fun.
        
               | soneil wrote:
               | We're over 10 years into dealing with piracy in & around
               | the gulf of Aden. Boarding ships happens more in
               | peacetime than wartime.
        
             | megablast wrote:
             | Yes. They are not perfect. Congratulations on pointing that
             | out. Now evaluate all the alternatives under your perfect
             | lens.
        
             | cm2187 wrote:
             | Also in this heavy fire environment, my first choice
             | wouldn't be to send a slow moving guy covered with fuel
             | tanks.
        
         | andrewstuart wrote:
         | Walls are often a key defence against attack.
         | 
         | These make wall defences irrelevant.
        
           | raisedbyninjas wrote:
           | This sure puts egg on the Trump administration's face.
        
             | Gabriel_Martin wrote:
             | I mean ladders already existed
        
           | veddox wrote:
           | We have had helicopters for a while...
        
       | 1cvmask wrote:
       | James Bond comes to life. Goldfinger was ahead of its time.
       | 
       | https://www.bondsuits.com/007-coolest-james-bond-suit-moment...
        
       | user-the-name wrote:
       | I can not comprehend the mindset that would let someone work for
       | years on building something, and then go, "I know what I want
       | this to be used for: Murder!"
        
         | Mauricebranagh wrote:
         | You know most of SV was built on military tech requirements and
         | its not "murder" if its a navy assaulting an enemy ship.
        
           | user-the-name wrote:
           | Only in the strictest legal sense. It still involves
           | intentionally killing human beings.
        
             | wedn3sday wrote:
             | Is pulling the lever in a Trolley Problem murder? Is the
             | navy sniper who killed the pirate captain who was holding
             | hostages at gun point a murderer? Seams like you're taking
             | a moral absoluist stance in a very morally grey world, and
             | remember "only sith deal in absolutes."
        
               | user-the-name wrote:
               | Star Wars is not a very good basis for a moral argument.
        
               | Veen wrote:
               | Nor is naivete. There are bad people in the world. That's
               | a brute fact you have to account for in your moral
               | reckoning. If you take the purist "no violence" stance,
               | you're abandoning victims to their fate so you can remain
               | pure. That doesn't seem moral to me.
        
         | BiosElement wrote:
         | You consider a transportation device "murder"? Interesting,
         | seeing as it also can be used to do the opposite:
         | https://www.youtube.com/watch?v=gtvCnZqZnxc
        
           | user-the-name wrote:
           | No, I am calling what armies and navies do "murder", as they
           | kill people.
        
             | Grakel wrote:
             | The US Navy is the largest peace keeping and rescue
             | organization in the world. Just one aircraft carrier is a
             | disaster response super hero, complete with a hospital,
             | food, clean water, and tents.
        
             | wing-_-nuts wrote:
             | Sometimes 'murder' is justified, like when you're
             | protecting civilians against pirates. That's the main use-
             | case I see here. Nobody in their right mind would send
             | these guys against an armed vessel.
        
             | adventured wrote:
             | Killing and murdering can be two different things, which is
             | why we have separate words for the actions. You're
             | conflating the two things as though they're always the
             | same.
             | 
             | To kill is not inherently to murder. Typically from a legal
             | and moral perspective killing someone in self-defense is
             | not murder, for example.
        
         | ArnoVW wrote:
         | Without making any statement of adherence from my part (on your
         | perspective, or any of the below), I'll give you some possible
         | alternative perspectives I can think of:                  -
         | "this way I can help our guys protect innocent civilians"
         | - "I need to sell this to to develop my baby (which I'm sure
         | will ultimately benefit humanity); I'd prefer to sell this to
         | Indian orphanages, too bad they have no budget or use for this"
         | 
         | As a anside, the product has already been sold to Argentinian
         | mountaineering search-and-rescue teams.
         | 
         | To get an idea of the motivations or people in the Army, I can
         | recommend "why I chose a gun", a 15 minute TED talk by a Dutch
         | army officer that explains his reasoning.
         | https://www.ted.com/talks/peter_van_uhm_why_i_chose_a_gun/tr...
         | 
         | Or to give some historical perspective: Christiaan Huygens
         | developed clocks for (military) naval navigation. Not because
         | he was the type of gung-ho "let's kick some French ass" type of
         | guy. In fact, he collaborated scientifically with French and
         | English, being Dutch, even when for example France was at war
         | with Holland. He just wanted to Make Something People Love
         | (tm). And at the time, the only one able to foot that sort of
         | R&D bill was the state. If the state had not invested huge sums
         | like that, it's not at all obvious that he would have been able
         | to perform his work.
        
           | user-the-name wrote:
           | If I am given the choice of making something which I will
           | enjoy making, but that will be used to kill a single human
           | being, and not making it, I will choose not making it every
           | single time.
        
           | armagon wrote:
           | That was an excellent TedX talk. Thank you for sharing it.
        
         | mam3 wrote:
         | It's called "defense" for a reason. No strong society can exist
         | without a public force.
        
         | pmoriarty wrote:
         | Most of them don't think of it as murder, but (at worst) a
         | dirty job that someone has to do.. and many of them think of
         | themselves as performing a selfless service to their country.
         | For others it's just a job, the family business, or a way out
         | of a desperate situation.
         | 
         | Of course, as with any job with the power of life and death
         | over others, there'll be some sadists who enjoy hurting or
         | killing, sociopaths who care about nothing but themselves, and
         | those who just want power. For others it's just a fun and
         | exciting adventure (or so they expect before they experience
         | it).
         | 
         | Being in an actual war and witnessing and/or participating in
         | real-life violence up-close sometimes leads to massive guilt,
         | PTSD, and disillusionment.. but others remain true believers
         | their whole life.
         | 
         | Those who've never participated in combat (or at least not at
         | close range) nor witnessed the long-term devastating impact of
         | war on its victims are some of the truest believers of all.
        
         | spike021 wrote:
         | You're probably missing the fact that there are clear scenarios
         | this could be used for where for one thing murder isn't the
         | priority, and for another it may not be malevolent either.
         | 
         | i.e.
         | 
         | * Somali (or similar) pirates hijack a freight vessel and are
         | potentially holding crew hostage. So there needs to be a quick
         | way to render aid/help with extraction.
         | 
         | * As someone else up-thread mentioned, this can also be used to
         | aid in SAR missions, such as in mountainous terrain.
        
         | chrisseaton wrote:
         | What do you think should be done when someone hijacks a ship
         | and crew and starts threatening to kill them?
         | 
         | I don't understand pacifists - are people willing to literally
         | just lie down and be killed and let others be killed and do
         | nothing and prepare to do nothing?
        
           | seryoiupfurds wrote:
           | If we simply disband the imperialist military-industrial
           | complex, those people will no longer be tragically forced
           | into a life of violence and we will all sing Kumbaya.
        
         | neither_color wrote:
         | The way it's demonstrated in this video looks geared towards
         | search and rescue, anti-piracy, hostage situations, etc.
        
       | Miner49er wrote:
       | Out of curiosity, why did these jet suits not exist until now?
       | Why not a few decades ago? What (recent) technological
       | advancement(s) has only now made them possible?
       | 
       | My first guess is improvements in batteries?
        
         | dmix wrote:
         | They provide a company history on the site why:
         | 
         | https://gravity.co/inside-gravity/history
        
         | slavik81 wrote:
         | There have been jetpacks for decades, but historically, landing
         | softly was difficult. Lots of broken legs. They had limited
         | flight time and many injuries.
        
           | thescriptkiddie wrote:
           | Those would more accurately be described as "rocket packs".
        
         | traverseda wrote:
         | Surely if you're hauling around all that fuel adding a small
         | jet with an alternator can't be that difficult?
         | 
         | Sometimes things just take a while. We could have had
         | inexpensive desktop 3D printers decades ago.
        
           | FridayoLeary wrote:
           | I'm sorely disappointed that thus far, 3d printing hasn't
           | been the commercial revolution that was hoped for. It was,
           | and remains, little more than a hobbyists toy with little
           | benefit to the general public. The manufacturing side of
           | things may have found uses for 3d printing, but i'm doubtful
           | if even that is the case.
        
           | tpmx wrote:
           | FDM 3d printing was invented in 1989. The patent expired in
           | 2009.
           | 
           | https://en.wikipedia.org/wiki/S._Scott_Crump
        
         | opwieurposiu wrote:
         | Microturbines for the radio control aircraft market. These are
         | single stage centrifugal turbines with relatively low
         | efficiency but high power to weight.
         | 
         | https://minijets.org/en/0-100
        
       | holoduke wrote:
       | Is this a jet powered engine or electric ducked fans? Cannot find
       | it.
        
         | bserge wrote:
         | Zero chance it's electric.
        
         | harveywi wrote:
         | There are ducked fans. During flight, the pilot adjusts the
         | canards to adjust angle of aquack.
        
       | scrumper wrote:
       | These suits (Gravity Jetsuits) were on sale in Selfridges in
       | London for 340,000 GBP a few years ago. I had no idea they were
       | so far out of the prototype stage. Astonishing. There's a racing
       | series, you can book experience flights in them (if you don't
       | have half a million dollars for your own), and now apparently you
       | can also fight pirates.
        
       | mooktakim wrote:
       | It might be better to have a chair you sit on and use a joystick
       | to maneuver instead of your arms. Let software manage the flight
       | and stabilisation.
        
         | bserge wrote:
         | You could surround that chair with some armor. Maybe add a few
         | guns and a bigger fuel tank, too. Add a more efficient air
         | propulsion system like some sort of propeller and a bigger
         | engine at that point for maximum performance.
         | 
         | Just joking heh, I actually think it would be better to make it
         | autonomous or remote controlled. I don't see why a drone can't
         | drop on the ship and set up a ladder in a similar manner, while
         | being lighter.
        
         | bigtones wrote:
         | If you fall in the water strapped into a chair you will drown.
        
           | BugsJustFindMe wrote:
           | You'd drown strapped into the shown equipment too. Getting
           | out of a chair is probably easier.
        
             | kylegordon wrote:
             | Given that they primarily fly over water for safety and how
             | quickly he can remove his hands from the arm mounted units,
             | I think it would be remiss of them not to have considered a
             | quick release mechanism for the rest of the suit.
        
       | cs702 wrote:
       | The closest thing I've seen yet to a flying Iron Man suit, in
       | real life.
       | 
       | The video shows royal marines flying off moving boats, and
       | landing on other moving boats, in open water.
       | 
       | Amazing.
        
       | cryptonector wrote:
       | That's pretty cool, but the serviceperson doing the boarding has
       | both hands fully occupied and might get shot at with no way to
       | fire back.
        
         | dharmab wrote:
         | Usually you would have someone else on a boat or helicopter
         | with a gun to cover the boarders.
        
         | Tuna-Fish wrote:
         | ... When a warship is sending a party to board you, shooting at
         | them is a very good way of ending up sunk.
         | 
         | People have a very wrong idea of the situation where this would
         | be used. The warship that sends the boarding party is going to
         | have an overwhelming firepower advantage over anything they
         | intend to board. They could sink the ship and kill everyone on
         | board in less than a minute if they wanted to. The point is, in
         | peacetime that's not a line they are going to cross unless the
         | idiots start shooting first. A lot of the job of navies is
         | basically acting as the sea cops, harassing wayward freighters
         | and fishing ships into obeying whatever laws they are currently
         | breaking. It's quite common for, say, Chinese ships to just try
         | and leave fast enough that it's impossible to board them,
         | trusting that the Naval vessel accosting them is not willing to
         | start a shooting war. This adds another option for boarding
         | such vessels.
        
           | FredPret wrote:
           | Unless the pirate ship has hostages on board, then you might
           | have to board it while shooting. Not a job I envy
        
         | ModernMech wrote:
         | What about shoulder-mounted autonomous weapons?
        
           | sideshowb wrote:
           | Alternatively a remote pilot
        
         | djrogers wrote:
         | The same is true for a marine climbing a boarding ladder, net,
         | or rope, or fast roping down from a helicopter (which would
         | also be vulnerable to gunfire). This is an alternative to some
         | of those options.
        
           | simonh wrote:
           | Exactly, this is an option for covert entry, or access to a
           | location hard to reach any other way. If someone is shooting
           | at you during infiltration, something has already gone
           | horribly wrong and the whole thing is blown anyway.
        
             | Tuna-Fish wrote:
             | Nothing about this is covert. The jetsuit is really quite
             | staggeringly loud.
        
       | genericone wrote:
       | Are there jets on the backpack as well? As a lightweight person
       | doing ring workouts, I can already tell you that just holding
       | yourself upright is tough for most people to start with. Heavier
       | people have a way harder time on rings, so I'm imagining holding
       | the fuel and equipment while doing a dynamic ring workout, and I
       | can't imagine doing it without a jet on the backpack, always
       | gimbaled downwards.
        
         | nicoburns wrote:
         | Yes there is.
        
         | jessriedel wrote:
         | Most of the thrust is indeed coming from jets on the backpack.
         | As far as I can tell, the hand thrusters are used mostly for
         | balance. So like leaning forward a bit while standing and
         | supporting yourself by grabbing a railing.
        
         | gooseyard wrote:
         | my first thought was that this seems like the sort of thing
         | that looks like it would be incredibly fun until my arms tired
         | and went limp after gaining some altitude and I plummeted to my
         | death. Now a jetpack exoskeleton on the other hand...
        
       | ChrisArchitect wrote:
       | as also seen previously on Verge article:
       | 
       | https://news.ycombinator.com/item?id=27059616
        
       | daniellenewnham wrote:
       | More about the inventor/founder's story here - we discuss his
       | background, his time in the Marines and why he built the jet pack
       | 
       | https://podcasts.apple.com/gb/podcast/richard-browning/id155...
        
       | foxyv wrote:
       | So, they have mastered jet arms, now they just need gun legs!
        
         | nielsbot wrote:
         | Ever play Downwell? The character flies and shoots using
         | gunboots: https://downwellgame.com
        
       | kleiba wrote:
       | If that's not the coolest thing you've ever seen, I don't know
       | what is...
        
       | [deleted]
        
       | sgt101 wrote:
       | How many drones armed with a munition that could sink a power
       | boat does the Royal Navy now field?
        
       | andyjohnson0 wrote:
       | https://www.youtube.com/watch?v=gtvCnZqZnxc
       | 
       | Same device being using in a training exercise by a civilian
       | mountain rescue team in the UK.
        
         | Someone1234 wrote:
         | I suppose it could be useful, but not being able to evacuate
         | someone certainly limits what it can do. In the video they
         | still needed a helicopter for the actual _rescue_ part.
         | 
         | For search drones are cheaper, scale better, and are safer for
         | mountain rescue staff. This may make sense for whatever cross-
         | section exists for remote mobile first aid where a helicopter
         | is unavailable, and you roughly know where they are (due to
         | limited fuel and the risk of the jetpack itself getting
         | stranded).
         | 
         | If it can be expanded to hold two people this could be
         | incredible for rescue.
        
           | dharmab wrote:
           | It is very common for SAR to send EMTs in on foot to start
           | initial stabilization and lifesaving procedures before a
           | helicopter or ambulance is able to arrive. Check out these
           | old SAR reports- they're mostly on-foot, not by ambulance.
           | https://www.nps.gov/zion/blogs/sarblog.htm
           | 
           | You wouldn't use this for evac- you wouldn't be able to
           | stabilize a neck or spine with this.
        
           | kylegordon wrote:
           | I believe it's being targeted at rapid medical response.
           | 
           | In the same way paramedics arrive on a motorbike or in a car,
           | prior to the ambulance and subsequent patient transport.
        
       | bjornsing wrote:
       | Very cool. But I can't help thinking they would be siting ducks
       | if there was armed resistance on that vessel...
        
         | jessriedel wrote:
         | Besides what others have said (this has to be compared to next-
         | best options, fire suppression can come from someone besides
         | the jetpack flyer), it would be possible to mount a gun firing
         | over the shoulder/head that would be controlled by head
         | movement, rather than hand movement. This is already done in
         | Apache helicopters, which allows the pilot to fire on targets
         | while leaving his hands free to fly the aircraft.
         | 
         | > One of the revolutionary features of the Apache was its
         | helmet mounted display, the Integrated Helmet and Display
         | Sighting System (IHADSS);[51][52] among its capabilities,
         | either the pilot or gunner can slave the helicopter's 30 mm
         | automatic M230 Chain Gun to their helmet, making the gun track
         | head movements to point where they look.
         | 
         | https://en.wikipedia.org/wiki/Boeing_AH-64_Apache#Avionics_a...
         | 
         | https://www.youtube.com/watch?v=KMQp6o0Hm7o
         | 
         | I have heard it described as "like having guns firing out of
         | your eyeballs".
        
           | thedrbrian wrote:
           | And it would weigh a hell of a lot more than the safety
           | margin on the "jet pack"
        
             | jessriedel wrote:
             | To be clear, I'm not talking about putting the gun from the
             | Apache on the jetpack, just the helmet and a small arm
             | (e.g., something with a caliber like a handgun). You could
             | be right that that would weigh too much, but that's not at
             | all clear to me.
        
               | lallysingh wrote:
               | From the video the lander was already carrying a pistol.
        
             | plouffy wrote:
             | Not to mention that the recoil would be very difficult to
             | control.
        
               | jessriedel wrote:
               | Do you think handgun recoil would be hard to control? Not
               | clear to me.
        
         | praveenperera wrote:
         | Not if they had a remotely controlled turret attached as well!
        
         | TheAdamAndChe wrote:
         | Shooting a moving target is actually extremely difficult,
         | especially if you are using a rifle instead of a shotgun. You
         | can also see one of the soldiers drawing and aiming a handgun
         | after landing, so they aren't completely without firepower.
         | Chances are good that they could also strap a bullpup rifle or
         | subcompact machine gun on their chest during flight.
         | 
         | Also if significant resistance is expected, there are always
         | torpedoes.
        
           | hervature wrote:
           | A moving target only gets bigger if it is moving directly
           | towards you. At some point, the jetpack has to start moving
           | towards a landing.
        
           | dogma1138 wrote:
           | Shooting a target that moves at a constant speed isn't hard
           | even with a rifle, at least not at these ranges.
           | 
           | A more interesting use for these would be if they can be used
           | as an arrested landing system for arial insertion at that
           | point you essentially get drop troopers.
           | 
           | This is a nice proof of concept but i doubt this would go
           | through a sufficient risk reduction to be useful in an actual
           | combat situation anytime soon.
        
         | secfirstmd wrote:
         | I think you need to compare it to the existing alternatives
         | when boarding which are essentially a boat + ladder (fixed or
         | grapple style) or a very large helicopter hovering above a
         | static limited location (e.g a wide open space away from
         | wires). Once people starting going down the rope, the helo is
         | pretty much committed (albeit with covering fire most likely).
         | Whatever happens, usually that process only then gets you on
         | one place, e.g one level. Smarter defenders often make that
         | harder for people assaulting - locating sentries, using barbed
         | wire to block those places etc. You then have to fight, often
         | through openish ground until you get to the first breaching
         | points on that same level. Everyone is usually coming from the
         | one location, for example where the ladder or helo rope is and
         | doing it one by one. So it might take 30-60 seconds at least to
         | get everyone onto the ship.
         | 
         | It would be much quicker to board and harder to defend if an
         | assault team could land basically anywhere on the ship
         | simultaneously. All of a sudden you have people assaulting from
         | front, rear, sides, top and then downwards etc etc. You are
         | suddenly trying to defend from 10 different assaulting
         | positions. Plus the noise and signature of the jet packs will
         | probably be lower than that of a helicopter, so a chance for
         | more surprise. Anywhere with a small enough gap for the jet
         | pack to land.
         | 
         | I assume also in future they will make the transition to
         | fighting a lot faster, such as some kind of quick release
         | mechanism to drop the jetpack stuff off you and get into the
         | fight.
         | 
         | Also another side benefit is that you can use your jetpack to
         | get back off the ship. That might not be the case if it's too
         | tricky for the helo or assault boat to recover you.
        
           | arethuza wrote:
           | There already seems to be some kind of quick release
           | mechanism - they can attach the arm mounted components to the
           | backpack pretty quickly - you can see it when the chap with
           | the ladder lands at about 2 mins into the video.
        
           | TMWNN wrote:
           | >It would be much quicker to board and harder to defend if an
           | assault team could land basically anywhere on the ship
           | simultaneously. All of a sudden you have people assaulting
           | from front, rear, sides, top and then downwards etc etc.
           | 
           | Yes; see 3:45, when three people in jetsuits arrive at once.
           | 
           | In a situation where boarding is urgent, each additional
           | arrival increases the chance that someone will succeed in
           | getting a ladder down.
        
           | throwaway0a5e wrote:
           | The existing alternative is to fast rope off a helicopter.
           | Jetpacks afford you the ability to land in multiple locations
           | but guys in the air are going to be very vulnerable without
           | the helicopter crew to cover them.
           | 
           | Other than being cheaper than a helicopter I don't see how
           | this changes much if the defense is at least semi-competent.
        
             | fredophile wrote:
             | A helicopter being stationary enough for people to fast
             | rope out of it is also vulnerable. I don't see why they
             | couldn't still have the helicopter providing fire support
             | while they approach with the jetpacks.
        
               | mgolawala wrote:
               | Also imagine a boarding like this occurring at night.
               | Sure night vision goggles are ubiquitous at this point,
               | but it is still going to be a smaller/stealthier approach
               | compared to a helicopter.
               | 
               | Also boardings can be done safely in far more situations,
               | much further out to sea. You can carry a few of these on
               | pretty much any patrol boat, a helicopter needs a take
               | off/landing site and has an operating distance.
        
             | chrisseaton wrote:
             | Sometimes being smaller and more manoeuvrable is better
             | than being better protected but larger and less
             | manoeuvrable.
        
         | Mauricebranagh wrote:
         | I assume this is for stealthy / assaults eg pop up at the last
         | minute where you also have other assets that can suppress the
         | target.
         | 
         | And assaulting via a small boat is going to be a larger target
         | and slower and harder
        
         | _joel wrote:
         | This is intended for situations where you'd be rapelling down
         | from a helicopter, so it's no different, in fact possibly
         | safer. During these boarding events there will be a lot of
         | other munitions pointed at the vessel in target.
        
       | JabavuAdams wrote:
       | Considering how many times Boba Fett or his ancestors got killed
       | by one shot or hit to the jetpack ...
        
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