Current Exhibits



For more information on the exhibits pictured below, please visit our National Cryptologic Museum Exhibit Information page.

Top-View of the PURPLE machine
This is the largest of three surviving pieces of the Japanese diplomatic ciphering machine the U.S. Army Signal Intelligence Service named PURPLE. NCM featured this one-of-a-kind artifact that was recovered from the wreckage of the Japanese Embassy in Berlin in 1945 during a recent Artifact Spotlight

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Photo by: NSA Photo |  VIRIN: 210412-D-IM742-1001.JPG