|There is more information available on this subject at Signal flare on the English Wikipedia.|
A signal flare, sometimes referred to as a "fuse," is an elongated tube filled with a chemical that is ignited to produce light. Signal flares are most often used to illuminate weapons caches, mark paths for friendly forces, and to signal aircraft, such as Dropships or VTOL.
- In Halo: Fall of Reach, John-117 used a blue flare to signal for his squad to be picked up by a Pelican.
- In Halo: Reach, Noble Six used a red signal flare to signal for pickup after the civilians were evacuated from New Alexandria. Later, Noble team used a Blue flare to signal for help.
- Signal flares can be seen in several locations throughout Halo 3, most notably on Sierra 117 inside the various tunnels.
- ↑ Halo 3, level Sierra 117