Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. 2 US Trainers Killed in Exchange of Gun Fire at Jordan Air Base by VOA News Two U.S. military trainers were shot dead by Jordanian security forces in an exchange of gun fire at an air base Friday, the Jordanian army said. The trainers were in a car that failed to stop at the gate of the base. A third American and a Jordanian officer were wounded in the gun fire at the Al-Jafr air force base in Southern Jordan. Jordan is a close ally of the United States.