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Marines and Sailors with Maritime Raid Force - 31st Marine Expeditionary Unit, conduct helicopter casting and helicopter Special Patrol Insertion/Extraction (SPIE) operations from a MH-60S Helicopter on Camp Hansen, Okinawa, Japan. The SPIE system was developed as a means to rapidly insert and/or extract a reconnaissance patrol from an area that does not permit a helicopter to land. Filmed on July 25, 2014.