Image 0 of 5Soldiers assigned to Combined Joint Task Force-Horn of Africa's (CJTF-HOA) East African Response Force (EARF), fire M240 weapons systems and practice bounding movements, in Djibouti, Africa. (Senior Airman Erin Piazza/Air Force) World War I re-enactors salute during the National World War I Memorial groundbreaking ceremony at Pershing Park in Washington. Construction of the memorial is expected to be completed in a year. (EJ Hersom/Department of Defense) Sailors inspect the landing gear of an F/A-18F Super Hornet, assigned to the "Redcocks" of Strike Fighter Attack Squadron (VFA) 22, on the flight deck of the aircraft carrier USS Theodore Roosevelt (CVN 71). Theodore Roosevelt is underway for a regularly scheduled deployment to the U.S. 7th Fleet area of operations in support of maritime security operations. (Mc3 Spencer Roberts/Navy) Army Spc. Matthew Williams, a cavalry scout assigned to 2nd Cavalry Regiment, fires a Stinger missile using Man-Portable Air Defense Systems during Artemis Strike, a live fire exercise at the NATO Missile Firing Installation at Crete, Greece. (Sgt. 1st Class Jason Epperson/Army) A U.S. Marine Corps CH-53E Super Stallion with Marine Medium Tiltrotor Squadron (VMM) 162 (REIN), 26th Marine Expeditionary Unit (MEU), approaches the flight deck of the amphibious landing dock ship USS New York (LPD 21) during Combined Composite Unit Training Exercise. (Cpl. Jered T. Stone/Marine Corps)