160303-N-YO710-009 PORTSMOUTH, Va. (Mar. 3, 2016) - Navy Diver 3rd Class Clay Rice, assigned to Mid-Atlantic Regional Maintenance Center (MARMC) Dive Team Foxtrot, tends to Navy Diver Seaman Justin Lemaster as Lemaster prepares to dive during the USS George H.W. Bush (CVN 77) Planned Incremental Availability (PIA) at Norfolk Naval Shipyard, Mar. 3. MARMC Divers have installed, maintained and removed 123 cofferdams to support in-hull work during Bush's PIA, which began in January 2015. (U.S. Navy photo by Shelby F.W. West/Released)