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|28k||The Ulua, Caranx ignobilis.||Photo courtesy of uoregon.edu.|
Ulua (SS-428) & Tusk (SS-426) being built at the Cramp Shipbuilding Co. in Philadelphia on 7/2/45. The Ulua has not received her superstructure main deck or bridge. The Tusk is just about complete.
Diesel intakes (induction) are visible on board the Ulua. They trunk up into the main induction just abaft the conning tower pressure vessel. The starboard branch feeds the forward engines, the port branch, whose 22-in pipe is visible under the flat boards, feeds the after engines. When snorkels were installed postwar, their intakes connected to the main induction visible here. Exhaust piping is also visible.
The bow of the Turbot (SS-427) is just visible behind the stern of the Ulua.
|Photo and partial text courtesy of The Floating Drydock, "Fleet Subs of WW II", by Thomas F. Walkowiak.
Partial text courtesy of U.S. Submarines Through 1945, An Illustrated Design History by Norman Friedman. Naval Institute Press, & The Fleet Submarine in the U.S. Navy: A Design and Construction History, by John D. Alden, Commander USN (Retired).
|299k||Ulua (SS-428) construction cancelled.||Photo courtesy of realwarphotosgalleries.com.|
|NR||Navy Believed Preparing Underwater Atomic Blast
Informed quarters believed today that the Navy is preparing to set off history's first deep underwater atomic explosion. The purpose would be to explore the posibility of using atomic charges against Russia’s huge submarine fleet in event of war, and to find out if America’s newest submarines and ships would stand up against such a weapon...
New evidence that a deep water test is being readied was seen in a letter sent to congressional leaders yesterday by Assistant Defense Secretary Daniel K. Edwards. He said the Navy is planning “underwater explosion tests” of the "highest priority,” and asked Congress to give the Navy permission to use a partially completed new submarine, the Ulua(SS-428), as a target in the tests...
|Image and text provided by University of North Carolina at Chapel Hill Library, Chapel Hill, NC.
Photo from the The Daily Record. [volume] (Dunn, N.C.) 1950-1978, 03 August 1951, Second Section, Image 10, via chroniclingamerica.loc.gov.
|NR||A-Subs to Be Faster Under Sea Than Most Warships on Surface
35-Knot Speed Forecast; Nuclear Engine Now Being Developed at 2 Laboratories...
Meanwhile, President Truman yesterday signed a congressional act that will allow the Navy to use a partly completed submarine for tests before building an atomic sub. .....The submarine is the Ulua (SS-428) and the tests are intended to show how it will react to the shock of depth charges after a dummy atomic plant has been installed in the hull. The special act was needed because Navy officers said the tests may result in sinking and loss of the hull, although that is not part of their plans...
Image and text provided by Library of Congress, Washington, DC.
Photo from the Evening Star. [volume] (Washington, D.C.) 1854-1972, 13 October 1951, Image 1, via chroniclingamerica.loc.gov.
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