U.S. Air Force Staff Sgt. Quan Vu, a loadmaster with the 7th Airlift Squadron, instructs Army Pfc. Austin Hurrelbrink, with the 2nd Cavalry Regiment, on the proper procedures for loading a Stryker vehicle into an Air Force C-17 Globemaster III aircraft at Ramstein Air Base in Germany Sept. 4, 2014, during Steadfast Javelin II. Steadfast Javelin II is a NATO-led exercise designed to prepare U.S., NATO and international partner forces for unified land operations.