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File:USS Spinax (SSR-489) in 1947.jpg

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Summary

Description The U.S. Navy radar picket submarine USS Spinax (SS-489), in 1947.
USS Requin (SS-481) and USS Spinax (SS-489) were completed as radar picket submarines in the fall of 1946. Although not yet classified as radar pickets ("SSRs"), both submarines mounted high-powered SR-2 search radars and SV-2 height finders directly on their afterdecks, with the radar electronics and CIC just below in the after torpedo rooms. Although a stern launching capability was still retained, the tubes had to be loaded externally. To accommodate the additional electronics, each boat received an extra motor-generator and more air-conditioning, and to provide a reference point for the combat air patrol (CAP) they controlled, homing beacons were deck-mounted on both. Despite having to discontinue radar operations whenever they submerged, Requin and Spinax were basically successful in their new roles, and they were certainly more survivable than a corresponding destroyer. However, the low deck-mounting of their antennas severely limited radar performance and attracted reliability problems from both breaking seas and salt-water intrusion into the waveguides. (USN)
Date
Source U.S. Navy [1] photo [2]
Author U.S. Navy

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Public domain
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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26 October 1947

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Date/TimeThumbnailDimensionsUserComment
current22:13, 14 April 2012Thumbnail for version as of 22:13, 14 April 20121,500 × 815 (584 KB)Cobatfor== {{int:filedesc}} == {{Information |Description=The U.S. Navy radar picket submarine USS ''Spinax'' (SSR-489), in 1947. |Source=U.S. Navy [http://www.navy.mil/navydata/cno/n87/usw/issue_14/coldwar.html] photo [http://www.navy.mil/navydata/cno/n87/usw...

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