<Tr> <Td> Constellation </Td> <Td> Baltimore, Maryland </Td> <Td> 36 </Td> <Td> David Stodder </Td> <Td> Thomas Truxtun </Td> <Td> </Td> </Tr> <P> Humphreys wished to use the most durable materials available for construction, primarily white pine, longleaf pine, white oak, and, most importantly, southern live oak . Live oak was used for framing as it was a strong, dense, and long - lasting wood weighing up to 75 lb per cubic foot (1,200 kg / m) when freshly cut . The live oak tree grows primarily in coastal areas of the United States from Virginia to Texas, with the most suitable timber found in the coastal areas of Georgia near St. Simons . This desire for live oak was the primary cause of delays in the frigates' construction . Appropriated funds from the Naval Act were not available until June 1794 . Shipbuilder John T. Morgan was hired by the War Department to procure the live oak and supervise the cutting and crews . Morgan wrote to Humphreys in August reporting that it had hardly ceased raining since his arrival and "the whole country is almost under water". Captain John Barry was sent to check up on progress in early October; he found Morgan and several persons sick with malaria . Timber cutting finally began when the crews arrived on the 22nd . The earliest delivery of timber occurred in Philadelphia on December 18, but another load of live oak destined for New York was lost when its cargo ship sank . Delays continued to plague the timber cutting and delivery operations throughout 1795 . By December of that year all six keels had been laid down, though the frigates were still unframed and far from finished . </P> <P> Construction of the frigates slowly continued until the 1796 announcement of the Treaty of Tripoli, which was witnessed by Algiers . In accordance with the clause in the Naval Act, construction of the frigates was to be discontinued . However, President Washington instead requested instructions from Congress on how to proceed . Several proposals circulated before a final decision was reached allowing Washington to complete two of the 44 - gun and one of the 36 - gun frigates . The three frigates nearest to completion, United States, Constellation and Constitution, were chosen . Construction of Chesapeake, Congress, and President was halted, and some of their construction materials were sold or placed in storage . </P> <P> The earlier predictions of Henry Knox regarding costs of the frigates came to a head in early 1797 . Of the original appropriation of $688,888.82, only about $24,000 remained . Secretary of War James McHenry requested of Congress an additional $200,000, but only $172,000 was appropriated . The additional funds were enough to finish the three frigates' construction, but did not allow them to be manned and put to sea . United States launched on May 10, Constellation on September 7, and Constitution on October 21 . Meanwhile, interference with American shipping by France because of their disagreement over the Jay Treaty prompted Congress to debate authorizing completion and manning of the three frigates . Secretary McHenry reported that an additional $200,000 would be required for this stage of construction, touching off grumbling in Congress over the escalating costs . Nevertheless, on July 1, Congress approved the completion and appropriated the requested funds . </P>

What were the names of the first three u.s. frigates
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