U.S. Army 1st Lt. Keven Cordero, executive officer for the headquarters support element of U.S. Forces Afghanistan, explains the route for the Christmas Ration Ruck March to deployed Airmen, Soldiers, Sailors and Marines on Dec. 1, 2020, at Al Udeid Air Base, Qatar. Cordero organized the charitable event, which brought the combined team of U.S. military members together and partnered with the USO to donate toiletries, children's books and food items back to the United States. (U.S. Air Force photo by Staff Sgt. Kayla White)