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| | USN Ship Naming |
 | | Ships armed with 40 guns or more were of the "first class"; those carrying fewer than 40, but more than 20, guns were of the "second class." The name source for the second class was expanded to include the principal towns as well as rivers. |
 | | Submarines were renamed in 1911, however, and carried alpha- numeric names such as A-1, C-1, H-3, L-7, and the like until 1931, when "fish and denizens of the deep" once more became their name source. |
 | | Submarine tenders, for instance, are "mother ships" to submarine squadrons and bear the names of submarine pioneers (Simon Lake, Hunley, Holland). |
| www.history.navy.mil /faqs/faq63-1.htm (3549 words) |
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