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Operational security was optional

Operational security was optional

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During the opening of WWI, Russian armies invading East Prussia frequently sent radio messages without proper encryption. German commanders intercepted the transmissions, learned Russian troop movements, and used that intelligence to surround and destroy much of the Russian Second Army at the Battle of Tannenberg.

1900s version of the group chat got leaked.

Ah yes the stupid decision of russians entering the 1st world war without putting a damm password on their radio

Printed on demand by Printify. Ships from the US or UK depending on location.

This shirt is made from responsibly sourced materials and printed using sustainable practices. To care for your shirt, machine wash cold inside-out with like colors and tumble dry low. Do not iron directly on the print.
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