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Specifications: Displacement 775 t; Length 172'; Beam 35'; Draft 12'; Speed 14 kts; Complement eight officers, 70 enlisted; Armament, as built, one single 40mm gun mount, two .50 cal. machine guns, final configuration, bow gun replaced by one twin 20mm gun mount, two .50 cal. machine guns remain; Propulsion, four Packard ID1700 diesel engines, replaced by four Waukasha Motors Co. diesels, two shafts, two controllable pitch propellers.
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141k | Ready for christening, during launching ceremonies at the
Martinolich Shipbuilding Company shipyard, San Diego, California, on 29 August 1952. Official U.S. Navy Photograph, now in the collections of the National Archives. National Archives Photo 80-G-447598. |
Naval Historical Center | |
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180k | - | USS Impervious (MSO-449) Web Site Rick Szpyrka |
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45k | c. 1971. Pearl Harbor, HI Photo enhanced by Tom Kermen |
USS Impervious (MSO-449) Web Site Robert Sterling, Jr. |
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44k | - | USS Impervious (MSO-449) Web Site Robert Sterling, Jr. |
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32k | c. 1971. Pearl Harbor, HI Photo enhanced by Tom Kermen |
USS Impervious (MSO-449) Web Site Robert Sterling, Jr. |
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64k | Impervious,
foreground, and Adroit (MSO 509) sit aboard the Dutch heavy
lift ship Super Servant 4 as its deck is submerged to permit
minesweepers to be unloaded. The Impervious, the Adroit
and a third ocean minesweeper, the Leader (MSO 490), have
returned to Norfolk, VA after being deployed for 14 months in the Persian
Gulf region in support of Operation Desert Shield and Operation Desert
Storm. 14 November 1991. |
Defense Visual Information Center PHAN Christopher L. Ryan |
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97k | Impervious,
foreground, and Adroit (MSO 509) sit aboard the Dutch heavy
lift ship Super Servant 4 as its deck is submerged to permit
minesweepers to be unloaded. 14 November 1991. |
Defense Visual Information Center PHAN Christopher L. Ryan |
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107k | Impervious, is moved to the pier after being unloaded from the Dutch heavy lift ship Super Servant 4. 14 November 1991. | Defense Visual Information Center PHAN Christopher L. Ryan |
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96k | Impervious, is moved to the pier by the large harbor tug Santaquin (YTB 824), and a civilian tug after being unloaded from the Dutch heavy
lift ship Super Servant 4. 14 November 1991. |
Defense Visual Information Center PHAN Christopher L. Ryan |
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39k | A work boat comes alongside Impervious, as it sits on the deck of the Dutch heavy
lift ship Super Servant 4. 14 November 1991. |
Defense Visual Information Center PH3 Paul A. Hawthorne |
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65k | c. December 2000. Awaiting scrapping at Baltimore, MD. | Save An MSO Web Site Dick Lewis |
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This page created by Gary P. Priolo and maintained by Joseph M. Radigan © 2004 Joseph M. Radigan © 1996 - 2004 NavSource Naval History. All Rights Reserved. |