Defenders: One team, one goal
Airmen from the 48th and 100th Security Forces Squadrons, as well as the 48th Communications Squadron participate in a ruck march at Royal Air Force Lakenheath, England, Feb. 25, 2016. The ruck march bolstered camaraderie amongst the participants and physical fitness. (U.S. Air Force photo/Airman 1st Class Erin R. Babis)