940th AMXS crew chief’s KC-135 launch ops Published Jan. 18, 2019 By Senior Airman Tristan D. Viglianco 9th Reconnaissance Wing Public Affairs BEALE AIR FORCE BASE, Calif. -- The 940th Aircraft Maintenance Squadron is responsible for inspecting, maintaining, and launching the KC-135 Stratotanker fleet on base. They are essential in the 940th Air Refueling Wing’s mission and the total force structure of the Air Force.