Fleetwood and as transport became more efficient, more overnight visitors became day visitors. The Hillhouse plant was heavily cut back, and was finally closed in 1999. Most serious, however, was the collapse of the fishing industry, which was largely destroyed in the late 1960s and early 1970s by the Cod Wars, a dispute over fishing rights between Iceland and the UK. As Fleetwood's trawlers mainly fished the North Atlantic in search of cod, the loss of the fishing grounds hit the town hard. The last deep sea trawler left the town in 1982 and now only inshore fishing boats fish out
USS Cod use the same vertical ladders and hatches that were used by her crew. Cleveland can claim partial credit as "Cod"'s birthplace, since the submarine's five massive diesel engines were built at the General Motors Cleveland Diesel plant on Cleveland's west side. In addition, she also has unique attractions such as the 5 inch deck gun that still can be rotated by visitors and mock fired by "Cod"s volunteer crew. The "Cod" 's Mark IV Torpedo Data Computer is also fully restored, as well as other various parts on the submarine. The "Cod" memorial acquired two General Motors Model 248 engines