170808-N-BN978-221 GREAT LAKES, Ill. (Aug. 8, 2017) Chief Engineman Darren Manick shows Rear Adm. Kyle Cozad, commander of Naval Education and Training Command, technology used in the LPD-17 ECS Maintainer Course by students in Engineman “C” School. The lab was one of many Cozad visited at Surface Warfare Officer School Unit Great Lakes. (U.S. Navy photo by Brian Walsh/Released)