ACST
U.S. Air Force Master Sgt. Jack Smith, 421st Combat Training Squadron instructor, teaches students in the Advanced Contingency Skills Training Course 07-2C one of the moves in Linear In-Fighting Neural Override Engagement, or LINE training, May 16, 2007, during a class session at the U.S. Air Force Expeditionary Center on Fort Dix, N.J. LINE training is one of the newest training venues offered at the Center. (U.S. Air Force Photo/Tech. Sgt. Scott T. Sturkol)