National Cryptologic Museum

National Cryptologic Museum The National Cryptologic Museum preserves and showcases unique cryptologic treasures and provides ed Cryptology...the art and science of codes and ciphers.

The National Cryptologic Museum houses the most amazing collection of stories and artifacts that tell the intriguing and exciting history of American cryptology. Here visitors catch a glimpse of some of the most dramatic moments in the history of American cryptology. For the visitor, some events in American and world history will take on a new meaning when they discover how the work of cryptologis

ts saved tens of thousands of lives and contributed to achieving victories on our Nation's battlefields. For the cryptologic professional, the Museum is an opportunity to absorb the rich heritage of the profession. The National Cryptologic Museum is also the first and only completely public museum in the Intelligence Community. It hosts approximately 70,000 visitors annually from around the over the world, allowing them a peek into the secret world of codemaking and codebreaking. The Museum is an invaluable educational venue, benefiting thousands of students and teachers every year through guided tours and educational programs. The Museum Library is also an unmatched resource for students, teachers, authors, historians, and researchers of cryptology and the people and events that made history.

On  , the National Cryptologic Museum wishes to thank the many volunteers who aid the NCM as Informants and Docents. One...
12/05/2023

On , the National Cryptologic Museum wishes to thank the many volunteers who aid the NCM as Informants and Docents. One of our volunteers, Laura, expresses her joy of volunteering this way: "I volunteer at the National Cryptologic Museum (NCM) because I love history and have visited the NCM, alone and with friends, for years. World War II especially fascinates me, and I am thrilled to be so close to some of the last remaining artifacts of that amazing era such as the Enigma and Bombe machines. One unexpected bonus is being surrounded by people eager to share their lifetime of knowledge and experience, and others just as excited to learn from them. It is also wonderful to see the school groups absorbing history, and perhaps realizing their place in the world of cryptology and technology. I love that I can be a part of the NCM and contribute to their continuing preservation and education."

Were you able to solve last month’s  ?  Here's the answer. Let us know if you got it right!  How long did it take you to...
12/04/2023

Were you able to solve last month’s ? Here's the answer. Let us know if you got it right! How long did it take you to solve?

Come and visit the NCM at Poe's Birthday Bash on Friday, January 19, at Westminster Hall & Burying Ground. Details comin...
12/03/2023

Come and visit the NCM at Poe's Birthday Bash on Friday, January 19, at Westminster Hall & Burying Ground. Details coming soon.

Did you solve the  ? Did you find the Christmas-Grams?
12/02/2023

Did you solve the ? Did you find the Christmas-Grams?

For each   in December, we have provided three numbered clues, along with the lengths of their answers. After solving th...
12/01/2023

For each in December, we have provided three numbered clues, along with the lengths of their answers. After solving the numbered clues, rearrange all of their letters together to form the answer to the final (Christmas-themed) clue. Find the three smaller answers and the final answer.

Did you solve the  ? Did you find the bowling pin numbers?
11/30/2023

Did you solve the ? Did you find the bowling pin numbers?

Bowling pins are traditionally numbered 1 through 10. For each   in November, you will be told how many pins were knocke...
11/29/2023

Bowling pins are traditionally numbered 1 through 10. For each in November, you will be told how many pins were knocked down by our avid bowler, Taka. You will also be told the sum and product of the pin numbers knocked down. It is your job to figure out which pins were knocked down. Find the numbers of the pins that were knocked down, in ascending order.

Seemingly innocuous toys can sometimes have other hidden uses, like a Barbie typewriter that can encrypt and decrypt cip...
11/28/2023

Seemingly innocuous toys can sometimes have other hidden uses, like a Barbie typewriter that can encrypt and decrypt ciphers, a Monopoly game with escape maps and real money, or a stuffed animal with a nanny cam inside. Come and see the new Codes in Toyland temporary exhibition at the NCM through February 3, 2024.

Were you able to  ? Let us know. We love to hear about your experiences with our puzzles.
11/27/2023

Were you able to ? Let us know. We love to hear about your experiences with our puzzles.

English literary critic and writer Cyril Connolly died   in 1974. AUTUMN is now upon us. Can you read the Cyril Connolly...
11/26/2023

English literary critic and writer Cyril Connolly died in 1974. AUTUMN is now upon us. Can you read the Cyril Connolly quote using a Polybius Square?

Did you solve the  ? Let us know if you got it right.
11/25/2023

Did you solve the ? Let us know if you got it right.

11/25/2023

The Gift Shop is OPEN today!

On today’s  , we are headed back to  to visit the ECM Mark II or SIGABA Cipher Machine. The SIGABA cipher machine was de...
11/23/2023

On today’s , we are headed back to to visit the ECM Mark II or SIGABA Cipher Machine. The SIGABA cipher machine was developed jointly by the U.S. Army and Navy in the 1930’s and was used for the highest-level communications during . It was never known to have been broken. The NCM’s SIGABA is on display in the “War of Secrets: Cryptology in WWII” exhibition. Photo Credit: The National Museum of the United States Air Force. Learn more: https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/196193/war-of-secrets-cryptology-in-wwii/

Did you solve the  ? Please tell us what you thought. Happy  !
11/23/2023

Did you solve the ? Please tell us what you thought. Happy !

Try this month’s   by Richard Atkinson from the Dragon Seeds December 1972 issue. Unscramble each of the five numbered C...
11/22/2023

Try this month’s by Richard Atkinson from the Dragon Seeds December 1972 issue. Unscramble each of the five numbered CryptoScrambles to form a word or a name that fits the corresponding definition. Then arrange the circled letters to form the CryptoAnswer suggested by the cartoon. We will post the answers tomorrow.

The NCM will be closed tomorrow, Nov. 23, in commemoration of Thanksgiving Day. We are open today, Nov. 22, 10am-7pm, Fr...
11/22/2023

The NCM will be closed tomorrow, Nov. 23, in commemoration of Thanksgiving Day. We are open today, Nov. 22, 10am-7pm, Friday, Nov. 24, 10am-4pm, and Saturday, Nov. 25, 10am-4pm.

Bowling pins are traditionally numbered 1 through 10.  For each   in November, you will be told how many pins were knock...
11/20/2023

Bowling pins are traditionally numbered 1 through 10. For each in November, you will be told how many pins were knocked down by our avid bowler, Taka. You will also be told the sum and product of the pin numbers knocked down. It is your job to figure out which pins were knocked down. Find the numbers of the pins that were knocked down, in ascending order.

The Hagelin B-211 was an electromechanical cipher machine designed by Boris Hagelin in 1932 for the French Army. It used...
11/19/2023

The Hagelin B-211 was an electromechanical cipher machine designed by Boris Hagelin in 1932 for the French Army. It used code and pin wheels and a key matrix to encipher messages onto a built-in printing mechanism. Check out this NCM Library Spotlight video about Boris Hagelin: https://www.youtube.com/watch?v=Egn5FnxXk_k

This electromechanical cipher machine was built in the 1930’s for the French Army. Can you  ?
11/18/2023

This electromechanical cipher machine was built in the 1930’s for the French Army. Can you ?

11/15/2023

Did you get yesterday’s ? Watch this video for the answer. Learn more about the Great Unifier, Lieutenant General Ralph J. Canine:https://www.nsa.gov/portals/75/documents/news-features/declassified-documents/cryptologic-quarterly/glimpses_of_a_man.pdf

11/14/2023

Check out our monthly in this video.

Did you solve the  ?  Did you find the bowling pin numbers?
11/13/2023

Did you solve the ? Did you find the bowling pin numbers?

Bowling pins are traditionally numbered 1 through 10. For each   in November, you will be told how many pins were knocke...
11/12/2023

Bowling pins are traditionally numbered 1 through 10. For each in November, you will be told how many pins were knocked down by our avid bowler, Taka. You will also be told the sum and product of the pin numbers knocked down. It is your job to figure out which pins were knocked down. Find the numbers of the pins that were knocked down, in ascending order.

11/12/2023

“Our debt to the heroic men and valiant women in the service of our country can never be repaid. They have earned our undying gratitude. America will never forget their sacrifices.” President Harry Truman

Ann Caracristi was the first woman to hold the post of NSA’s Deputy Director, the highest civilian position at the Agenc...
11/10/2023

Ann Caracristi was the first woman to hold the post of NSA’s Deputy Director, the highest civilian position at the Agency. Her cryptanalytic work and her experience with frequency analysis made her a natural at word and puzzle games like Scrabble, a game she enjoyed for over 50 years. Come and see the temporary exhibition of Ann Caracristi’s Scrabble board and score cards at the NCM through Feb. 3, 2024. Read an oral history interview of Ms. Caracristi:https://media.defense.gov/2021/Jul/15/2002763429/-1/-1/0/NSA-OH-15-82-CARACRISTI.PDF

The National Cryptologic Museum will be closed on Nov. 10 and Nov. 11 in commemoration of Veterans Day.
11/09/2023

The National Cryptologic Museum will be closed on Nov. 10 and Nov. 11 in commemoration of Veterans Day.

Happy  ! As part of  , the NCM held a STEM Day on Nov. 4. Our visitors learned about coding, cryptowheels, engineering, ...
11/08/2023

Happy ! As part of , the NCM held a STEM Day on Nov. 4. Our visitors learned about coding, cryptowheels, engineering, and more.

On today’s  , we are traveling to  to visit our Enigma Cipher Machine that was designed specifically for the German Air ...
11/07/2023

On today’s , we are traveling to to visit our Enigma Cipher Machine that was designed specifically for the German Air Force. The Luftwaffe or Air Force Enigma is noticeably different than a Navy or Army Enigma in that it is in a metal case for added protection in the event of a crash landing. The NCM’s Luftwaffe Enigma is on display in the “War of Secrets: Cryptology in WWII” exhibition. Photo Credit: The National Museum of the United States Air Force. Learn more: https://www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/196193/war-of-secrets-cryptology-in-wwii/

The National Cryptologic Museum is proud to host author and retired NSA Historian Betsy Smoot for a presentation and a s...
11/06/2023

The National Cryptologic Museum is proud to host author and retired NSA Historian Betsy Smoot for a presentation and a signing of her new book, From the Ground Up: American Cryptology during World War I, on Nov. 8. The presentation and book signing will take place in the NCM MAGIC room from 11:30am to 12:30pm. Here is a link to the full digital version:https://media.defense.gov/2023/Jan/26/2003150273/-1/-1/0/WWI_Book_02142023.PDF Here is a form for requesting a free copy: https://www.nsa.gov/History/Cryptologic-History/Historical-Publications/Historical-Publications-Contact/

Did you solve the  ? What did you think of it?
11/05/2023

Did you solve the ? What did you think of it?

NSA was established   in 1952. Happy 71st birthday! In honor of the occasion, we bring you this NSA-themed  . See if you...
11/04/2023

NSA was established in 1952. Happy 71st birthday! In honor of the occasion, we bring you this NSA-themed . See if you can fit N, S, A into the correct spots on the three grids.

Were you able to solve last month’s  ? Here's the answer. Let us know if you got it right! How long did it take you to s...
11/02/2023

Were you able to solve last month’s ? Here's the answer. Let us know if you got it right! How long did it take you to solve?

11/02/2023

NSA is celebrating National American Indian Heritage Month! We humbly take this time to honor the valuable contributions of American Indians and Alaska Natives throughout our cryptologic history and recognize those that continue to ensure the security of our nation.

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8290 Colony Seven Road
Annapolis Junction, MD
20701

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