170317-N-ZF693-012 GREAT LAKES Ill. (May 17, 2017)Aviation Ordnanceman 1st Class Matthew Timour demonstrates proper line handling to members of the 2017 Drill Instructor Summit aboard the USS Marlinspike at Recruit Training Command (RTC). Drill instructors from each branch of the military gathered together during the summit to tour RTC, exchange ideas, and identify training practices to benefit enlisted personnel across the services. (U.S. Navy photo by Mass Communication Specialist 3rd Class Ivana Campbell/Released)