Naval Nuclear Power Training Command student play video games in the Bowman Center after a long day of classes Feb. 9, 2015, at Joint Base Charleston – Weapons Station. NNPTC students undergo rigorous schooling to learn about the operation, maintenance and supervision of naval nuclear propulsion plants. The Bowman Center and its many activities afford students a welcome relief from their classes. (U.S. Air Force photo/ Senior Airman Dennis Sloan) 2/10/2015 - Petty Officer 3rd Class Daniel Yesenofki, Nuclear Power Training Unit student, plays a piano inside the Bowman Center Feb. 9, 2015, at Joint Base Charleston Weapons Station. Yesenofki has completed the six-month course at Naval Nuclear Power Training Command and is nearing completion of his follow-on NPTU training. (U.S. Air Force photo/ Senior Airman Dennis Sloan)