U.S. Marines with Basic Reconnaissance Course 2-20, Reconnaissance Training Company, Advanced Infantry Training Battalion, School of Infantry - West, conduct helicopter rope suspension training at the 13 Area rappel tower, Marine Corps Base Camp Pendleton, California, Jan. 22, 2020. HRST includes classes and practical application of fast roping, rappelling, belaying and Special Patrol Insertion/Extraction rigging from various aircraft. (U.S. Marine Corps video by Cpl. Stephen Beard)

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