High Quality Content by WIKIPEDIA articles! USS Chesterfield County (LST-551), originally USS LST-551, was an LST-542-class tank landing ship built for the United States Navy during World War II and in commission from 1944 to 1955 and again in the late 1960s. Named after Chesterfield County, South Carolina, and Chesterfield County, Virginia, she has been the only U.S. Navy vessel to bear the name.