GUARDSMEN FAST ROPE U.S. Coast Guardsmen perform fast-rope operations out of a CH-53D Sea Stallion helicopter from U.S. Marine Heavy Helicopter Squadron 363 during vertical insertion training on Marine Corps Air Station Kaneohe Bay, Hawaii, March 29, 2011. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 083578-K-LVC16-243.jpg Photo Gallery