90th MMXS welcomes new commander Published July 8, 2015 By Lan Kim 90th Missile Wing Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- Maj. Jeremy Russell received command of the 90th Missile Maintenance Squadron during an assumption of command here July 8, 2015. An assumption of command ceremony is a tradition that represents a formal transfer of authority and responsibility from the outgoing commander to the incoming commander. Maj. Richard Fongemie, outgoing commander, will continue his Air Force career in the 20th Air Force here.