Tanker free after grounding off Galveston, Texas Published April 2, 2015 at 4000 × 2669 in SN Federica ← Previous / Next → Photo: uscg The SN Federica, a 750-foot tanker vessel, churns up mud while attempting to free itself after running aground 35 miles off Galveston, March 31, 2015. (U.S. Coast Guard photo by Petty Officer 3rd Class Dustin R. Williams)