'FAST ROPE' U.S. Marines and sailors and Royal Thai Marines, “fast rope” from a CH-46 Sea Knight helicopter during bilateral helicopter raid training, Samaesan, Thailand, Feb. 11, 2009. The Marines are assigned to Kilo Company, 3rd Battalion, 5th Marines, 31st Marine Expeditionary Unit. The Royal Thai Marines, along with about 7,000 U.S. servicemembers, are participating in Exercise Cobra Gold 2009 throughout the Kingdom of Thailand. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 412974-V-WZD96-453.jpg Photo Gallery