A news report about the USS Iowa gun turret explosion in 1989.
Coast Guard Antarctic Dive Operations
Chief Petty Officer Lucas Spencer and Chief Petty Officer Michael Perrault, members of the military dive team assigned to the Coast Guard Cutter Polar Star, inspect the cutter's propellers while it's hove-to in the ice in the Ross Sea, Jan. 30, 2015. Divers conducted underwater inspections of Polar Star's hull and propellers to check for damage incurred while breaking ice. U.S. Coast Guard video by Petty Officer 1st Class George Degener.