Airmen from Detachment 4, 602nd Training Group the 820th Rapid Engineer Deployable Heavy Operational Repair Squadron Engineer (RED HORSE) from Nellis Air Force Base, Nev., receive Improved Outer Tactical Vest training after being issued U.S. Army tactical gear in preparation for their deployment to the Middle East. The 820th RED HORSE trained at Fort Bliss, Texas, and McGregor Range, New Mexico, as part of Detachment 4, 602nd Training Group in preparation for their U.S. Army Central Command Deployment.