U.S. Marine Lance Cpl. Mark Caponette, a crew chief

U.S. Marine Lance Cpl. Mark Caponette, a crew chief with Marine Heavy Helicopter Squadron 463, prepares a .50 mm caliber machine gun aboard a CH-53D Super Stallion helicopter belonging to Marine Heavy Helicopter Squadron 362, prior to conducting a heliborne extraction flight operation, Camp Bastion, Afghanistan, March 4. HMH-463 and HMH-362 conduct heliborne extraction flight operations in search of suspicious activity as well as troop extractions on a routine basis in support of NATO International Security Assistance Force. (U.S. Marine Corps photo by Sgt. Ricardo A. Gomez/Released)