CONFIDENTIAL REPORT 2G-21
S77
     
 
FORMER GERMAN SUBMARINE TYPE XXI
 
 
 
 
GAS & SMOKE APPARATUS
 
     
 
SUMMARY
  
     
          No reference is made in any available material to either offensive or defensive gas warfare measures.  
     
     
     
     
     
     
     
     
     
     
 
July, 1946
 
 
 
 
PORTSMOUTH NAVAL SHIPYARD, PORTSMOUTH, N. H.
 
     
     
     
 
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