DoD photo by Tech. Sgt. Jeremy Lock, U.S. Air Force.
A spent shell casing flies through the air as Sgt. 1st Class Audra Wynn, Regimental Headquarters and Headquarters Troop, 11th Armored Cavalry Regiment, fires at a target during an M4 qualification range at Fort Irwin, Calif., May 13.
U.S. Navy photo by Chief Mass Communication Specialist Joe Kane