Cpl. Josh Guertin, a mechanic with Marine Light Attack

Cpl. Josh Guertin, a mechanic with Marine Light Attack Helicopter Squadron 773, Marine Aircraft Group 49, keeps the squadron's helicopters flying with daily maintenance at Edwards Air Force Base, Calif., October 17, 2012. HMLA-773 supported Marine Special Operations Command for three weeks, flying simulated close air supports, resupplies, casualty evacuations, battle damage assessments and aerial reconnaissance to make MARSOC's predeployment training more realistic.