Army Spc. Luc Peterson gives the driver of a Mobile Gun System Stryker variant directions while training at the Yakima Training Center, Yakima, Wash., Feb. 23, 2016. Stryker gunners provide their drivers with additional direction to compensate for limited visibility. Peterson is a gunner with Headquarter and Headquarters Company, 5th Battalion, 20th Infantry Regiment, 1-2 Stryker Brigade Combat Team, 7th Infantry Division, Joint Base Lewis-McChord, Wash. U.S. Army photo by Sgt. Cody Quinn