Several caches were placed recently making use of the Vigenère Cipher in some form. There are other simple ciphers that can be used for geocaches. I will release several caches that use some historical ciphers.
This cache actually makes use of a code (vice a cipher like Vigenère). It is the only unbroken code in modern military history. It allowed for rapid and secure communications, saving countless lives.
To simplify and speed up your decryption, each number is represented by only the first two letters of the word.
TSA-E-DONIN-EE A-KHA
TLO-CHIN A-CHIN
TSA-E-DONIN-EE A-KHA
BESH-DO-TLIZ AH-NAH
BESH-DO-TLIZ AH-NAH
DIBEH TKIN
TSAH TKIN
KLESH DZEH
TLO-CHIN A-CHIN
THAN-ZIE GLOE-IH
MA-E YEH-HES
MA-E YEH-HES
AH-NAH A-CHI
BESH-DO-TLIZ AH-NAH
You can check your answers for this puzzle on Geochecker.com.