CRIMSON

CRIMSON was a codeword classification protocol used by the United Nations Space Command. In United Nations Space Command Transmission 116749-09, Vice Admiral Preston Jeremiah Cole instructed Admiral Dale Kilkin to encode his requests using the CRIMSON protocol.

List of appearances

 * Halo: Evolutions - Essential Tales of the Halo Universe
 * The Impossible Life and the Possible Death of Preston J. Cole