Aboard the RV Manta, Father Stephen Duncan, left, conducts a memorial service in the Gulf of Mexico off the Texas Coast Monday, Sept. 10, 2012, for the two men who died aboard the USS Hatteras in 1863 during the Civil War. The service was held at the site of the shipwreck where researchers are making a 3-D map using sonar equipment. (AP Photo/Pat Sullivan)
