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. Pentagon Policy Chief Resigns Following Esper Firing VOA News Another top U.S. Pentagon official is leaving his post, a day after the termination of Defense Secretary Mark Esper. In his resignation letter to President Donald Trump dated Tuesday, Acting Under Secretary of Defense for Policy James Anderson listed some of his achievements and said it had been an honor to serve his country. "Now, as ever, our long-term success depends on adhering to the U.S. Constitution all public servants swear to support and defend," he wrote. Acting policy chief of [1]@DeptofDefense resigns following clash with [2]@WhiteHouse. [3]pic.twitter.com/SdTKhhx0pY -- Steve Herman (@W7VOA) [4]November 10, 2020 On Monday, Trump announced via Twitter that he had fired the defense secretary. "Mark Esper has been terminated. I would like to thank him for his service," Trump wrote Monday. References 1. https://twitter.com/DeptofDefense?ref_src=twsrc%5Etfw 2. https://twitter.com/WhiteHouse?ref_src=twsrc%5Etfw 3. https://t.co/SdTKhhx0pY 4. https://twitter.com/W7VOA/status/1326207919982055434?ref_src=twsrc%5Etfw .