This is a category of codes used by the United Nations Space Command.
“Code Omega Three was a UNSC emergency code. This code, to be used during combat operations...Omega Three
“Bloody Arrow is a UNSC emergency code signifying the complete rout and decisive defeat of...Bloody Arrow
“Hydra was a UNSC general Emergency code. It was almost never used due to its content. The Hydra...Hydra (code)
“Code Three-Nine-Two is a UNSC code term brandished by Special Warfare teams to ignore hails from...Three-Nine-Two
“Bandersnatch was a UNSC emergency code. Used right after combat operations or disasters had...Bandersnatch