VANDENBERG SPACE FORCE BASE, Calif. -- The 377th Flight Test Missile Maintenance Squadron held a change of command ceremony to officially welcome U.S. Air Force Maj. Alexandria Harrell as incoming commander of the unit. Harrel assumed command from Maj. Michael Fraioli. The 377 FTMMXS is a part of the 377 TEG, a mission partner hosted on Vandenberg, and is responsible for evaluating the Air Force's Minuteman III weapon system.