433rd Aircraft Maintenance Squadron chief retires Published April 10, 2019 By Staff Sgt. Lauren M. Snyder 433rd Airlift Wing JOINT BASE SAN ANTONIO-LACKLAND, Texas -- U.S. Air Force Lt. Col. Michael Webb, 433rd Aircraft Maintenance Squadron commander, presents a retirement certificate to Chief Master Sgt. David A. Freeman, 433rd AMXS maintenance superintendent, during a ceremony held at Joint Base San Antonio-Lackland, Texas, April 6, 2019. Freeman retired after 32 years of military service. (U.S. Air Force photo by Staff Sgt. Lauren M. Snyder)