Pelagic fish Atlantic Ocean, the Gulf of Mexico and the Mediterranean Sea. The term highly migratory species (HMS) is a legal term which has its origins in Article 64 of the United Nations Convention on the Law of the Sea (UNCLOS). The highly migratory species include: tuna and tuna-like species (albacore, Atlantic bluefin, bigeye tuna, skipjack, yellowfin, blackfin, little tunny, Pacific bluefin, southern bluefin and bullet), pomfret, marlin, sailfish, swordfish, saury and oceangoing sharks, dolphins and other cetaceans. Essentially, highly migratory species coincide with the larger of the "large pelagic fish", discussed in the previous section, if cetaceans are added and some
Skipjack-class submarine torpedo room and AMS for ballast tanks. The design was improved on the "Thresher"s, the one-off , and subsequent attack submarines by relocating the torpedo room into the operations compartment via angled midships torpedo tubes to make room for a large sonar sphere in the bow. The "George Washington" class, the first SSBNs, were derived from the "Skipjack"s, with rebuilt from the incomplete first . The hull of "Scorpion" was laid down twice, as the original hull was redesigned to become the "George Washington". Also, the material for building was diverted into building , which delayed "Scamp"s progress. The bow