ROBINS AIR FORCE BASE, Ga. – Col. Jeffrey Martin, 402nd Aircraft Maintenance Group commander, speaks with depot maintenance engineering leaders from across the Air Force aboard a C-5 Galaxy aircraft at Robins Air Force Base, Georgia, as part of the Air Force Sustainment Center Aircraft Maintenance Group Summit, in May 2019. The summit brings different depot groups from across AFSC together to discuss best practices and ways forward in depot maintenance. (U.S. Air Force photo by Edward Aspera Jr.) (This photo has been altered for security purposes by blurring out identification badges.)