An infrared flag (or IR flag) is a type of combat identification used by soldiers.
Flag of the United States | flag | Anti-Flag | Flag of France | Flag of Canada | Raising the Flag on Iwo Jima | Flag of Mexico | Flag of Ireland | The Red Flag | Palestinian flag | Flag semaphore | Flag of Turkey | Flag of Indonesia | Blue Flag beach | Black Flag Army | Assassin's Creed IV: Black Flag | 2011 Pan American Games national flag bearers | You're a Grand Old Flag | White Flag (song) | White Flag | Flag of Ulster | flag of the United States | Flag of the United Kingdom | Flag of the Philippines | Flag of South Korea | Flag of Scotland | Flag of Israel | Flag Officer Sea Training | Capture the Flag | Australian National Flag Association |