A Marine with Combat Logistics Battalion 2, Combat Logistics Regiment 2, 2nd Marine Logistics Group swims across the pool during his swim qualification at the Area 5 pool aboard Marine Corps Base Camp Lejeune, N.C., Oct. 16, 2014. Basic qualification requires the Marines to complete a series of events that include a 25-meter swim, a 10-foot tower jump followed by another 25-meter swim, a four-minute sustainment float and the ability to shed gear underwater within 10 seconds.