150202-N-ZZ999-605 WASHINGTON (Feb. 2, 2015) Command Master Chief Bryan Exum, command master chief of Naval Sea Systems Command, reports to Vice Adm. Willy Hilarides, commander of Naval Sea Systems Command, that his flag has been broken atop the mast on the Washington Navy Yard during a christening ceremony for the Humphreys Building, Building 197, at the Washington Navy Yard. At the conclusion of the ceremony the doors were officially opened marking the first time NAVSEA employees would return to work since being displaced following the tragic events of Sept. 16, 2013. The new building is named in honor of 19th century American frigate designer Joshua Humphreys, the architect of the original six U.S. Navy frigates,including USS Constitution. (U.S. Navy photo by Scott Adam Webb/Released)