11/18/2016: U.S. Marine Corps Capt. Kristina Warren, motor transport officer, Marine Wing Support Squadron 372 details the capabilities of a 3D printer during Weapons and Tactics Instructor course (WTI) 1-17 at Site 50, Yuma, Ariz., Oct. 19, 2016. Warren used the additive manufacturing (AM) equipment to make objects from 3d model…