Four UH-1Y Huey’s belonging to Marine Light Attack Helicopter Squadron 773, Marine Aircraft Group 49, 4th Marine Aircraft Wing, Marine Forces Reserve, sit on the flightline at Marine Air Ground Combat Center Twentynine Palms, California during Integrated Training Exercise 4-17, June 20, 2017. ITX 4-17 is a live-fire and maneuver combined arms exercise designed to train battalion and squadron-sized units in the tactics, techniques, and procedures required to provide a sustainable and ready operational reserve for employment across the full spectrum of crisis and global engagement. (U.S. Marine Corps photo by Lance Cpl. Imari J. Dubose)