Master Sgt. Marco Gonzalez, the superintendent of the 910th Mission Support Group, and Christina Gonzalez, a command support staff technician with the 910th Commander Support Squadron, sort mail and parcels at the post office at Spangdahlem Air Base, Germany, July 16, 2018. The 910th Airlift Wing Reserve Citizen Airmen on annual tour in Germany trained with their active duty counterparts and filled critical shortages for the active duty during their peak leave period. (U.S. Air Force photo/ Staff Sgt. Jeffrey Grossi)