Mission types: Information gathering: Encryption

Antarian Rangers are used to coded transmissions and encrypted messages (Had the mnemonic phrase [“Restore Republic honor to the galaxy”] been designed to reset the Rubicon to the numbers represented by the nine letters that made up the final two words?), either using “crude codes” or “mnemonic aids” on a “covert frequency” or in short communication “bursts”, changing frequencies every few seconds.

Sources: Millennium Falcon (pp.22, 324), Imperial Commando 501st