Petty Officer 3rd class Seth Rau and Ensign Tin Tran plot a new course. U.S. Navy Petty Officer 3rd class Seth Rau (left) and Ensign Tin Tran plot a new course on the navigational chart in the pilot house aboard the USS Dextrous (MCM 13) in the Persian Gulf on July 29, 2004. The Dextrous is one of the Navy's Avenger class mine countermeasures ships. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 823824-Z-ODX83-280.jpg Photo Gallery