A Marine Infantry Officer Course (IOC) student descends from a CH-53E Super Stallion helicopter during a fast rope drill on the Marine Corps Air Station Yuma, Ariz., Auxiliary Landing Field 2, Wednesday, August 18, 2014. The fast rope training instilled in these Marines the skills necessary to complete IOC’s final exercise, Talon Reach IV. - A Marine Infantry Officer Course (IOC) student descends from a CH-53E Super Stallion helicopter during a fast rope drill on the Marine Corps Air Station Yuma, Ariz., Auxiliary Landing Field 2, Wednesday, August 18, 2014. The fast rope training instilled in these Marines the skills necessary to complete IOC’s final exercise, Talon Reach IV.