Senior Airman Jacob Willenborg, 535th Airlift Squadron loadmaster, left, helps secure the load of a Stryker medical evacuation vehicle assigned to the 1-14 Infantry Battalion 2nd Stryker Brigade Combat Team, aboard a C-17 Globemaster III during a validation exercise on the flightline at Joint Base Pearl Harbor Hickam, Hawaii, Oct. 17, 2013. The Stryker is used to provide quick response maneuvering capability, enhanced survivability and lethality and expand fight versatility. (U.S. Air Force photo/Tech. Sgt. Jerome S. Tayborn)