During the Civil War, the Union Departments of the Navy, State, and War each maintained their own separate intelligence services.

Authors

• Person: Not available Organization: U.S. Government Publishing Office
  The Evolution of the U.S. Intelligence Community-An Historical ...

Sources

• The Evolution of the U.S. Intelligence Community-An Historical ... www.govinfo.gov U.S. Government Publishing Office via serper

Referenced by nodes (1)

• Civil War event