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FORMER GERMAN SUBMARINE TYPE XXI |
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ARMOUR PROTECTION |
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SUMMARY |
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| The armour plating on the bridge of the type 21 vessels has been greatly extended beyond that on any previous type, but is believed to be of the same material. The increased use of protecting plating was brought about by the attempt to offset the effectiveness of a/s measures when operating the vessel on the surface. | |||||
March, 1946 |
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PORTSMOUTH NAVAL SHIPYARD, PORTSMOUTH, N. H. |
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ARMOUR PROTECTION |
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| Armour protection consists of 17 mm (.67") plates in the following locations. | |||||
| a) Outboard, forward and after sides and overhead of the port and starboard watch stations, with openings in the overhead for the heads of the watch standers. | |||||
| b) On both sides and around the end of the machine gun positions. | |||||
| c) All sides and top of the machine gun turrets. | |||||
| Material is identified as Wsho/Mo, but has not been further identified. | |||||
| The extent to which protection was provided for bridge personnel is an interesting commentary on both the effectiveness of certain anti-submarine measures, and on the belief of the German Navy that such measures could be countered during surface operations. | |||||
| Comment with respect to the desirability of determining the ballistic properties of the special steel has already been made in the report on the 9C-40 vessels. In other respects the protective plating is of interest from the standpoint of its extent only. | |||||
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