U.S Air Force Senior Airman Jabai Robinson, 633rd Security Forces Squadron response force leader, keeps watch during exercise Operation Resolute Endeavor II at Joint Base Langley-Eustis, Va., Dec. 7, 2016. Airmen from the 633rd SFS were tasked with an initial waterborne infiltration and secure mission on the first day of the exercise, then maintained security by eliminating threats that attempted to gain access to Third Port. (U.S. Air Force photo by Airman 1st Class Derek Seifert)