U.S Soldiers, with the 201st Battlefield Surveillance Brigade, and Soldiers, with the 3rd Stryker Brigade Combat Team, 2nd Infantry Division, attached to the 7th Infantry Division participate in the 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 Joint Base Lewis-McChord and involved civilian and military assets from across the United States.