Casualty classification

The UNSC uses many terms that may be unfamiliar to a person without knowledge of Halo and the United States Military. Here are some of those terms, and their definitions.

Status Terms

• MIA- Missing In Action. This term is used when the status of a soldier is unknown, whether they're dead, wounded, or simply lost.
  
• WIA- Wounded In Action. This term is used when a soldier is wounded in battle.
  
• POW- Prisoner Of War. This term is used for anybody, including soldiers who are captured as part of a war. A medal is awarded to any soldier who is captured for any length of time.
  
• KIA- Killed In Action. This term is used when a soldier is killed during battle, or deaths resulting from a war.