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Constructed from rubberwood
Crafted from durable raintree wood
the puzzle measures approximately 9
an opponent's piece is removed
Comprising 8 wooden blocks
Diana Cryptosystem | US Army Special Forces Cipher Wheel penny puzzle Constructed from rubberwoodDiana Cryptosystem Cipher Wheel is a faithful wooden reproduction of the cipher disk used by US Army Special Forces (Green Berets) throughout the Vietnam War and Cold War era. DIANA was deployed by Special Forces operators across Vietnam, Laos, and Cambodia. Messages were sent via HF radio in Morse code. Considered unbreakable when paired with a One Time Pad. Two sizes: 5. 5 inch and 4 inch diameter wooden disks. US Army Special Forces emblem on the
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