A Navy honor guard prepares to carry the casket of Navy Ensign Robert Langwell to his burial site in Section 40 at Arlington National Cemetery in Arlington on Monday, July 12, 2010. Langwell was one of two sailors missing after the USS Magpie struck a mine off the coast of Chuksan-ri, South Korea, on Oct. 1, 1950. (AP Photo/Drew Angerer)

Photo by: Drew Angerer

A Navy honor guard prepares to carry the casket of Navy Ensign Robert Langwell to his burial site in Section 40 at Arlington National Cemetery in Arlington on Monday, July 12, 2010. Langwell was one of two sailors missing after the USS Magpie struck a mine off the coast of Chuksan-ri, South Korea, on Oct. 1, 1950. (AP Photo/Drew Angerer)