The newly-constructed Survey Vessel CATLETT pictured August 16, 2017, in front of the Fort McHenry National Monument and Historic Shrine with part of downtown Baltimore visibile in the background. Survey Vessel CATLETT, named after the late Harold Catlett, a longtime hydrographic surveyor with the U.S. Army Corps of Engineers, Baltimore District, will support Baltimore District's navigation mission, including conducting hydrographic surveys of channels associated with the Port of Baltimore.