U.S. Army Staff Sgt. Ben Dellinger, retired (front left); U.S. Army Capt. Casey Wolfe (front right); U.S. Marine Corps Capt. John Urquhart, retired (back left); and, U.S. Marine Corps Sgt. James Wright, retired (back right) ... receive a warm welcome en route to International Security Assistance Force and U.S. Forces-Afghanistan Headquarters in Kabul, Afghanistan, Nov. 1, 2014. Dellinger, Wolfe, Urquhart, and Wright visited ISAF Headquarters during one of their many stops in Afghanistan as part of Operation Proper Exit, a program that allows wounded warriors the opportunity to leave the war zone on their own terms. (Photo by U.S. Army Staff Sgt. Richard D. Sherba, COMISAF photographer)