welcome back. later today two u.s. navy sailors who died during the civil war will be buried with full honors at arlington. the sailors served on the u.s.s. monitor back in 1862. first ever battle between two ironclad ships. the monitor sank. the remains of the sailors survived 150 years on the ocean floor. barbara star has their story. reporter: shoes worn by a sailor 150 years ago perhaps in the final moments of his life on board the u.s.s. monitor, a renowned civil war with battleship. this is extraordinary. we are looking mismatched, but a pair of shoes that one of the sailors wore. he had a different shoe on the left foot than on his right. it s hard to explain why. one of the possible options is as the guys were leaving the ship the night of the sinking it