150420-N-AT895-173 WASHINGTON (April 20, 2015) Howard Joshua Humphreys, descendent of 19th century American frigate designer Joshua Humphreys, delivers remarks at a dedication ceremony for Naval Sea Systems Command headquarters, the Humphreys Building, Building 197, at the Washington Navy Yard. Humphrey's ancestor designed the original six U.S. Navy frigates, including USS Constitution. The renovated building is named in Humphreys' honor. (U.S. Navy photo by Mass Communication Specialist 1st Class Nathan Laird/Released)