Two AH-64E Apache helicopters provide aerial security for soldiers in a Stryker armored combat vehicle during a combined arms live-fire exercise at Joint Base Lewis-McChord, Wash., April 4, 2016. The soldiers are assigned to the 2nd Infantry Division’s 2nd Stryker Brigade Combat Team and the Apache crews are assigned to the 7th Infantry Division’s 16th Combat Aviation Brigade. Army photo by Capt. Brian H. Harris