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FORMER GERMAN SUBMARINE TYPE XXI   | 
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NON-STRUCTURAL SPLINTER PROTECTION   | 
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SUMMARY  | 
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| No plane, rudder or propeller guards as such are provided, although the stabilizers act as propeller and stern plane guards, and the skeg as a rudder guard. | |||||
| No clearing wire is provided, and no net cutters have been considered. | |||||
July, 1946   | 
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PORTSMOUTH NAVAL SHIPYARD, PORTSMOUTH, N. H.   | 
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