U.S. Army soldiers with 201st Battlefield Surveillance Brigade and 3-2 Stryker Brigade Combat Team, 7th Infantry Division, exit a CH-47 helicopter during a Gryphon Tomahawk Mission Readiness Exercise at Joint Base Lewis-McChord, Wash., Feb. 21, 2014. The exercise was the largest military intelligence exercise yet to occur at JBLM and involved civilian and military assets from across the U.S.