170127-UX312-010 WASHINGTON (Jan. 27, 2017) Jerry Hawn, a ranger with the National Mall and Memorial Parks service, gives a tour of the National Mall to Sailors assigned to the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72). The ship organized a tour of the Lincoln memorial, the Martin Luther King Jr. memorial and the African-American history museum for 23 Sailors. (U.S. Navy photo/Released)