U.S. Air Force Airman 1st Class Zack Suttles, 48th Aircraft Maintenance Squadron dedicated crew chief, greets his aircrew after a sortie in support of Tactical Leadership Programme 16-3 at Los Llanos Air Base, Spain, Sept. 26. Training programs like TLP showcase how the U.S. works side-by-side with NATO Allies and partners every day, training to meet future security challenges as a unified force. (U.S. Air Force photo/ Staff Sgt. Emerson Nuñez)