Marines with 3rd Marine Special Operations Battalion, U.S. Marine Corps Forces, Special Operations Command, board the plane they will jump out of for a High Altitude, High Opening night jump as part of a Double-Bag Static-Line parachute course in Wendover, Utah, April 9 - 21. The course was taught by personnel from the 2nd MSOB paraloft and the Airborne Mobile Training Team, and is designed to give Marines a basic understanding of HAHO operations.