Canada's only operational submarine just sank a U.S. warship

Six days after the federal government said only one of Canada’s four submarines is seaworthy, that submarine sank an American warship off Hawaii.HMCS Corner Brook launched a Mark 48 heavyweight torpedo at the decommissioned cruiser USS Mobile Bay on July 12, and the Canadian shot was the one that sank it, CTV News reported . It was Canada’s first submarine at the Rim of the Pacific exercise in 12 years.Capt. Landon Creasy, the Canadian task group commander, said in a statement that