Operation: FOCUS LENS 2555

Operation: FOCUS LENS 2555 was an operation of the United Nations Space Command on Mars in 2555. The operation concerned a joint service exercise between the UNSC Army and another branch of the United Nations Space Command armed forces. The exercise simulated a second Covenant invasion of the Sol system. Holly Tanaka was involved in this operation.

List of appearances

 * Halo 5: Guardians
 * Limited Edition dossiers