New leader for 912th AMXS Published June 18, 2012 By 95th Air Base Wing Public Affairs EDWARDS AIR FORCE BASE, Calif. -- Col. Robert Weaver, 412th Maintenance Group commander, hands the 912th Aircraft Maintenance Squadron guidon to Thomas Klawiter at a change of leadership ceremony June 7, in Hangar 1600. Klawiter is the new director of the 912th AMXS.