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Photos

Snapshots of what’s happening in the Defense Department.

Marines fire 155mm rounds using an M777 Howitzer system during an artillery raid exercise as part of a weapons and tactics course for instructors on Marine Corps Air Station Yuma, Ariz., April 4, 2015. The Marines are artillerymen assigned to 1st Battalion, 10th Marine Regiment.

Marines fire 155mm rounds using an M777 Howitzer system during an artillery raid exercise as part of a weapons and tactics course for instructors on Marine Corps Air Station Yuma, Ariz., April 4, 2015. The Marines are artillerymen assigned to 1st Battalion, 10th Marine Regiment.

Marines fire 155mm rounds using an M777 Howitzer system during an artillery raid exercise as part of a weapons and tactics course for instructors on Marine Corps Air Station Yuma, Ariz., April 4, 2015. The Marines are artillerymen assigned to 1st Battalion, 10th Marine Regiment.

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