Capt. Troy Gomez inspects the tail rotor as Sgt. Laura

Capt. Troy Gomez inspects the tail rotor as Sgt. Laura Ryggs, both assigned to Marine Medium Helicopter Squadron (HMM) 774, closes panels during a pre-flight check on a CH-46 Sea Knight Helicopter at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 23, 2013. HMM 774 is participating in an Integrated Training Exercises (ITX) at Twentynine Palms. Integrated Training Exercise (ITX) 4-13, a cornerstone of the Marine Air Ground Task Force Training Program, is the largest annual U.S. Marine Corps Reserve training exercise - helping establish best practices, refine planning guidance and baseline requirements for future Reserve units. ITX 4-13, utilizing assets from ground, air and logistic combat elements is a true live, virtual, constructive battalion exercise. (U.S. Navy photo by Mass Communication Specialist 1st Class Martin Cuaron/Released)