An MV-22 Osprey soars over the Pacific Ocean. (Marine Corps photo by Staff Sgt. Zachary Dyer).
A sailor reads the list of the fallen aboard the USS Arizona Memorial in Pearl Harbor, Hawaii. (Navy photo by Mass Communication Specialist 3rd Class Amber L. Porter)
An airman inspects a F-16 Fighting Falcon engine being tested at Eielson Air Force Base, Alaska. (U.S. Air Force photo by Senior Airman Shawn Nickel)
Soldiers fire rounds from their M1A2 Abrams tanks during a training exercise in support of Operation Atlantic Resolve. (U.S. Army photo by Sgt. 1st Class Jeremy J. Fowler)