U.S. Marine Corps landing support specialists with Combat Logistics Regiment 27, 2nd Marine Logistics Group step back after connecting cables from a CH-53E Super Stallion helicopter to a Light Armored Vehicle 25 as part of a heavy external lift exercise April 4, 2014, at Landing Zone Bull Assault near Yuma, Ariz., during Weapons and Tactics Instructor Course 2-14. The course, hosted by Marine Aviation Weapons and Tactics Squadron 1, was designed to teach the six functions of Marine Corps aviation while providing the closest experience to real combat strategy, tactics and execution. (U.S. Marine Corps photo by Lance Cpl. Adrianna R. Lincoln/Released)