美国加利福尼亚州圣迭戈彭德尔顿营，美国海军陆战队HMLA-267轻型攻击直升机中队一架 UH-1Y 直升机与陆战一师第一侦察营进行特种巡逻渗透（SPIE）练习。这一源自越南丛林环境下的战术，适应于不允许直升机降落的情况下快速搭载或卸载侦察分队。（U.S. Marines with Alpha Company, 1st Reconnaissance Battalion, 1st Marine Division conduct training utilizing the Special Patrol Insertion and Extraction (SPIE) method with UH-1Y Helicopters aboard Marine Corps Base Camp Pendleton, Calif., on August 26, 2014.The Marines train utilizing SPIE to rapidly insert and or extract from an area that does not permit a helicopter to land.）

美国加利福尼亚州圣迭戈彭德尔顿营，美国海军陆战队HMLA-267轻型攻击直升机中队一架 UH-1Y 直升机与陆战一师第一侦察营进行快速绳降训练。（U.S. Marines with Alpha Company, 1st Reconnaissance Battalion, 1st Marine Division conduct a fast roping and rappelling exercise aboard Marine Corps Base Camp Pendleton, Calif., on August 26, 2014. Marines utilize fast roping techniques in situations that do not allow helicopter landings.）

美国加利福尼亚州圣迭戈彭德尔顿营，美国海军陆战队HMLA-267轻型攻击直升机中队一架 UH-1Y 直升机与陆战一师第一侦察营进行快速绳降训练。（U.S. Marines with Alpha Company, 1st Reconnaissance Battalion, 1st Marine Division conduct a fast roping and rappelling exercise aboard Marine Corps Base Camp Pendleton, Calif., on August 26, 2014. Marines utilize fast roping techniques in situations that do not allow helicopter landings.）

美国加利福尼亚州圣迭戈彭德尔顿营，美国海军陆战队HMLA-267轻型攻击直升机中队一架 UH-1Y 直升机与陆战一师第一侦察营进行快速绳降训练。（U.S. Marines with Alpha Company, 1st Reconnaissance Battalion, 1st Marine Division conduct a fast roping and rappelling exercise aboard Marine Corps Base Camp Pendleton, Calif., on August 26, 2014. Marines utilize fast roping techniques in situations that do not allow helicopter landings.）

美国加利福尼亚州圣迭戈彭德尔顿营，美国海军陆战队HMLA-267轻型攻击直升机中队一架 UH-1Y 直升机与陆战一师第一侦察营进行快速绳降训练。（U.S. Marines with Alpha Company, 1st Reconnaissance Battalion, 1st Marine Division conduct a fast roping and rappelling exercise aboard Marine Corps Base Camp Pendleton, Calif., on August 26, 2014. Marines utilize fast roping techniques in situations that do not allow helicopter landings.）

美国加利福尼亚州圣迭戈彭德尔顿营，美国海军陆战队HMLA-267轻型攻击直升机中队一架 UH-1Y 直升机与陆战一师第一侦察营进行快速绳降训练。（U.S. Marines with Alpha Company, 1st Reconnaissance Battalion, 1st Marine Division conduct a fast roping and rappelling exercise aboard Marine Corps Base Camp Pendleton, Calif., on August 26, 2014. Marines utilize fast roping techniques in situations that do not allow helicopter landings.）

美国加利福尼亚州圣迭戈彭德尔顿营，美国海军陆战队HMLA-267轻型攻击直升机中队一架 UH-1Y 直升机与陆战一师第一侦察营进行快速绳降训练。（U.S. Marines with Alpha Company, 1st Reconnaissance Battalion, 1st Marine Division conduct a fast roping and rappelling exercise aboard Marine Corps Base Camp Pendleton, Calif., on August 26, 2014. Marines utilize fast roping techniques in situations that do not allow helicopter landings.）

美国加利福尼亚州圣迭戈彭德尔顿营，美国海军陆战队HMLA-267轻型攻击直升机中队一架 UH-1Y 直升机与陆战一师第一侦察营进行快速绳降训练。（U.S. Marines with Alpha Company, 1st Reconnaissance Battalion, 1st Marine Division conduct a fast roping and rappelling exercise aboard Marine Corps Base Camp Pendleton, Calif., on August 26, 2014. Marines utilize fast roping techniques in situations that do not allow helicopter landings.）