Petty Officer 3rd Class Eduardo D. Estrada, corpsman, Golf Company, 2nd Battalion, 5th Marine Regiment, along with two other corpsmen, helped save the life of 1st Lt. Michael Rhoads, a forward observer, who was shot in the torso, April 15, 2012. Estrada, 24, from Tucson, Ariz., stuck three needles into Rhoads to empty blocked space in his chest cavity, helping save his life. - Petty Officer 3rd Class Eduardo D. Estrada, corpsman, Golf Company, 2nd Battalion, 5th Marine Regiment, along with two other corpsmen, helped save the life of 1st Lt. Michael Rhoads, a forward observer, who was shot in the torso, April 15, 2012. Estrada, 24, from Tucson, Ariz., stuck three needles into Rhoads to empty blocked space in his chest cavity, helping save his life.

Sgt. Waylon Sliker, ammunition technician, 1st Battalion, 8th Marine Regiment, searches for insurgents during an indirect fire attack at Forward Operating Base Whitehouse April 10, 2012. - Sgt. Waylon Sliker, ammunition technician, 1st Battalion, 8th Marine Regiment, searches for insurgents during an indirect fire attack at Forward Operating Base Whitehouse April 10, 2012.

Petty Officer 3rd Class Matthew Sears, a corpsman with C Company, 1st Battalion, 8th Marines, Regimental Combat Team 6 shakes hands with children who run up to him while patrolling through the Gostan valley, Nimruz province, Afghanistan. Before joining the Navy, Sears was a firefighter/EMT in his hometown of Dayton, Ohio. - Petty Officer 3rd Class Matthew Sears, a corpsman with C Company, 1st Battalion, 8th Marines, Regimental Combat Team 6 shakes hands with children who run up to him while patrolling through the Gostan valley, Nimruz province, Afghanistan. Before joining the Navy, Sears was a firefighter/EMT in his hometown of Dayton, Ohio.

A tank drives by to provide better security for the Marines with Charlie Company, 1st Battalion, 8th Marine Regiment, as they prepare to search a village for Taliban fighters in the early morning, April 18, 2012. The Marines and sailors with Charlie Company took part in a month long operation where they cleared the Gostan valley of enemy forces. - A tank drives by to provide better security for the Marines with Charlie Company, 1st Battalion, 8th Marine Regiment, as they prepare to search a village for Taliban fighters in the early morning, April 18, 2012. The Marines and sailors with Charlie Company took part in a month long operation where they cleared the Gostan valley of enemy forces.