The 3rd Reconnaissance Company Marines fast-rope out of a CH-46 and provide cover during a tactical insertion exercise at Marine Corps Air Station Yuma, Ariz., July 20, 2011. The fast-roping exercise was one of many training exercises taking place during Operation Javelin Thrust 2011. - The 3rd Reconnaissance Company Marines fast-rope out of a CH-46 and provide cover during a tactical insertion exercise at Marine Corps Air Station Yuma, Ariz., July 20, 2011. The fast-roping exercise was one of many training exercises taking place during Operation Javelin Thrust 2011.