A UH-1Y Huey with Marine Light Attack Helicopter Squadron 369 prepares to land after Marines with 1st Reconnaissance Battalion, 1st Marine Division, finished a fast-rope drill at Marine Corps Base Camp Pendleton, California, Oct. 6, 2016. The fast-rope training was part of a larger event called a Marine Air-Ground Task Force integration exercise, which enabled air and ground units to come together and cooperate in various training missions prior to their deployment with the 15th Marine Expeditionary Unit. - A UH-1Y Huey with Marine Light Attack Helicopter Squadron 369 prepares to land after Marines with 1st Reconnaissance Battalion, 1st Marine Division, finished a fast-rope drill at Marine Corps Base Camp Pendleton, California, Oct. 6, 2016. The fast-rope training was part of a larger event called a Marine Air-Ground Task Force integration exercise, which enabled air and ground units to come together and cooperate in various training missions prior to their deployment with the 15th Marine Expeditionary Unit.