A U.S. Army 3d U.S. Infantry Regiment (The Old Guard) Soldier places American flags at headstones in Section 64 of Arlington National Cemetery during Flags In, May 21, 2015, in Arlington, Virginia. The Old Guard has held this honor and privilege of conducting Flags In since 1948.
Airman 1st Class Erica Crossen / U.S. Air Force
Staff Sgt. Arin Vickers, assigned to the 435 Supply Chain Operations Squadron, is greeted by her dog when she arrives at the St. Louis Airport USO, in St. Louis, May 6, 2015. Vickers was gone for six months, and her friends and family were there to greet her and surprise her by bringing along Baxter.
Senior Airman Ryan Callaghan / U.S. Air Force
Airmen from the 93rd Air Ground Operations Wing run the final stretch of a 4-mile ruck march during Spartan Warrior May 12, 2015, at Avon Park Air Force Range, Florida. Spartan Warrior is an annual wing combat readiness inspection and competition held by the 93rd AGOW.
Cpl. Ricky S. Gomez / U.S. Marines
A U.S. Marine attached to Weapons Company, 1st Battalion, 3rd Marine Regiment - "The Lava Dogs" fires a Javelin at a simulated enemy tank during Lava Viper aboard Pohakuloa Training Area, Hawaii, May 29, 2015.
Senior Airman Jason Couillard / U.S. Air Force
The Thunderbirds Delta formation flies by One World Trade Center during a photo chase mission in New York City May 22, 2015.
Sgt. Paul Peterson / U.S. Marines
Marine MV-22B Ospreys from Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa departed Mihail Kogălniceanu Air Base, Romania, with a platoon of Marines from the Black Sea Rotational Force to support a multilateral training exercise during Platinum Eagle 15, May 26, 2015.
Mass Communication Specialist 2nd Class Jonathan A. Colon / U.S. Navy
Capt. Michael W. Baze, commanding officer of the amphibious assault ship USS America (LHA 6), returns a salute from a student after a military appreciation ceremony at Crown Point Junior Music Academy May 28, 2015.
Senior Chief Gas Turbine System Technician Michael Macdonald / U.S. Navy
Landing Craft, Air Cushion (LCAC) 60 lands on the beach in Virginia Beach, Virginia, for the 2015 Patriotic Festival on May 29, 2015.
Mass Communication Specialist Fred Gray IV / U.S. Navy
Secretary of the Navy (SECNAV) Ray Mabus presents an award to Gunnery Sgt. Bo Irving, a Marine Corps combatant diver course instructor, in the aquatic training facility at Naval Diving and Salvage Training Center May 27, 2015.
Cpl. Anne K. Henry / U.S. Marines
USS Wasp (LHD-1), At Sea- Marines load ordnance onto an F-35B Lightning II during Operational Testing 1 aboard USS Wasp at sea, May 27.