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Patrol Areas for U.S. Submarines

Chart showing designated areas for American submarines to conduct patrols
Title: Patrol Areas for U.S. Submarines
Caption: In order to avoid friendly-fire incidents, U.S. submarines always operated singly, and the following chart provides the designated areas for submarine operations.
Original Location: Adm. William S. Benson, Chief of Naval Operations to Various Officers, RG 45, Entry 517B, National Archives and Records Administration, Washington DC
Original Date: 1918-08-16
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Document Type
  • Map
Wars & Conflicts
  • World War I 1917-1918
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