A U.S. Air Force Airman assigned to the 633rd Security Forces Squadron aims at a simulated aggressor during exercise Operation Resolute Endeavor II at Joint Base Langley-Eustis, Va., Dec. 5, 2016. Members of the 633rd SFS and U.S. Army roleplayed as aggressors to test the SFS’ capabilities in securing a port. (U.S. Air Force photo by Airman 1st Class Derek Seifert)