Zachary Gallegos, 23, stands guard outside the Armed Services Recruiting Center on Thursday in Sioux Falls, South Dakota. The Pentagon has asked such self-appointed "armed citizens" to leave, citing security concerns.
Marine Corps Commandant Gen. Joseph Dunford Jr. testifies Thursday during his Senate Armed Services Committee confirmation hearing to become the chairman of the Joint Chiefs of Staff.
U.S. Bradley fighting vehicles take part in a joint exercise with Georgia at a military base near Tbilisi. Bradleys would be deployed to NATO member states in Eastern Europe and the Baltics if a Pentagon proposal is approved.
Edwin Hopkins with his mother, Alice, and father, Frank Jr. Hopkins was killed aboard the USS Oklahoma during the Japanese bombing of Pearl Harbor, but his remains never were identified.
Courtesy Tom Gray
A gravestone identifying the resting place of seven unknowns from the USS Oklahoma is shown at the National Memorial Cemetery of the Pacific in Honolulu. The Pentagon says it will disinter and try to identify the remains of up to 388 unaccounted for sailors and Marines killed when the ship capsized in the 1941 Japanese bombing of Pearl Harbor.
An A-18C Hornet attached to Strike Fighter Squadron (VFA) 87, prepares to launch from the flight deck of the aircraft carrier USS George H.W. Bush (CVN 77) to conduct strike missions against Islamic State group targets.
U.S. Army soldiers from 1st Platoon, G Troop, Task Force 1-35, 2nd Brigade Combat Team, move out on patrol in Iraq in 2008. A bipartisan panel says a Pentagon plan to cut Army strength go too far.
Sgt. Eric C. Hein/AP