April 13, 2024
Annapolis, US 60 F
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Sweetheart Codes Exhibit

February 14, 2023 @ 10:00 am - March 31, 2023 @ 4:00 pm

Secret Messages fly between lovers in a world consumed by war
National Cryptologic Museum unveils temporary Valentine’s Day exhibit

FT. MEADE, Md. – Trying to evade the prying eyes of the Allied postal censors of WWII, U.S. service men and women created secret messages, referred to as Sweetheart codes, to convey their most intimate feelings to one another.

Determined to express their inner most personal thoughts – sometimes in the most passionate of terms – these war-torn lovers employed previously agreed upon cipher systems to help keep their most romantic thoughts hidden from the government censors.

The National Cryptologic Museum is pleased to offer this Valentine’s Day salute – Sweetheart Codes – featuring historic coded love letters from WWII. The program will run from 14 Feb to 31 March 2023. Come visit us to get an inside glimpse of the Greatest Generation’s encoded letters of love.

Located at the edge of the National Security Agency (NSA) in Ft. Meade, Maryland, the National Cryptologic Museum provides visitors a unique opportunity to engage with cryptologic history in new and innovative ways — transporting visitors on a journey from the ancient world to present day exploring the dynamic role of cryptology in shaping our history.

As NSA’s principal gateway to the public, the museum collects, preserves, and showcases unique cryptologic treasures and strives to serve as a valued cryptologic history resource for scholars, historians, and educators. The museum provides quality educational programming to share the stories of the people, technology, and methods that have defined cryptologic history, and serves as a dedicated research setting for scholars and the general public.

Location: 8290 Colony Seven Rd, Annapolis Junction, MD 20701
Admission: Admission is free – no reservation or ticket required

For further information, please contact the National Cryptologic Museum at 301-688-5849. You can also email us at [email protected].


February 14, 2023 @ 10:00 am
March 31, 2023 @ 4:00 pm
Event Category:


Sally Lockley


National Cryptologic Museum
8290 Colony Seven Rd
Annapolis Junction, MD 20701 United States
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