U.S. Army Spc. David Perales, a paratrooper with the 1st Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade Combat Team, sleeps before loading into an Air Force C-130J Super Hercules aircraft at Ramstein Air Base in Germany Sept. 5, 2014, during exercise 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.