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Photos

Snapshots of what’s happening in the Defense Department.

U.S. Marine Corps Staff Sgt. Peter A. Montalvo provides aerial security with a .50-caliber machine gun inside a CH-53E Super Stallion helicopter over Helmand province, Afghanistan, Aug. 20, 2013. Montalvo, a crew chief, is assigned to Marine Heavy Helicopter Squadron 461.

U.S. Marine Corps Staff Sgt. Peter A. Montalvo provides aerial security with a .50-caliber machine gun inside a CH-53E Super Stallion helicopter over Helmand province, Afghanistan, Aug. 20, 2013. Montalvo, a crew chief, is assigned to Marine Heavy Helicopter Squadron 461.

U.S. Marine Corps Staff Sgt. Peter A. Montalvo provides aerial security with a .50-caliber machine gun inside a CH-53E Super Stallion helicopter over Helmand province, Afghanistan, Aug. 20, 2013. Montalvo, a crew chief, is assigned to Marine Heavy Helicopter Squadron 461.

Photo Gallery