Chief Master Sgt. Kristopher Berg, Air Force Expeditionary Center command chief, speaks with Airman Mark Oglesby, 721st Aerial Port Squadron ramp service specialist during a 521st Air Mobility Operations Wing visit on Ramstein Air Base, Germany, Jan. 29, 2020. The USAF Expeditionary Center provides direct oversight for the global en-route system, building partnership capacity mission sets within the global mobility enterprise, as well as installation support for three joint bases. (U.S. Air Force photo by Senior Airman Milton Hamilton)