Signal flare
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There is more information available on this subject at Signal flare on the English Wikipedia. |
Signal flares, also known as smokers, are a type of pyrotechnic that produce a brilliant light or intense heat without an explosion.[1] Flares are used for signaling, illumination, or defensive countermeasures in civilian and military applications. Flares may be ground pyrotechnics, projectile pyrotechnics, or parachute-suspended to provide maximum illumination time over a large area. Projectile pyrotechnics may be dropped from aircraft, fired from rocket or artillery, or deployed by flare guns or handheld percussive tubes.
Function[edit]
Flares produce their light through the combustion of a pyrotechnic composition. The ingredients are varied, but often based on strontium nitrate, potassium nitrate, or potassium perchlorate and mixed with a fuel such as charcoal, sulfur, sawdust, aluminium, magnesium, or a suitable polymeric resin. Flares may be colored by the inclusion of pyrotechnic colorants.
Usage[edit]
Signal flares appear to be standard equipment for UNSC servicemen. They are typically used to alert allies of a friendly position. They utilize thick, green or white smoke.[2][3] During the Battle of Trove, John Forge and his men from the UNSC Spirit of Fire used Recon Team Echo's signal flare to find the missing reconnaissance team's M312 HRV.[4] During the Battle of Sigma Octanus IV, Corporal Harland used green signal flares to mark his squad's location to a Pelican carrying Spartan-II Blue Team.[1] During the Fall of Reach, Noble Team used blue and red signal flares to attract the attention of incoming dropships.[5][6] The Liang-Dortmund Corporation manufactures their own emergency flare.[7][8] During the Battle for Zeta Halo, some UNSC servicemen carried flare guns in chest holsters.[9]
Gallery[edit]
A signal flare left by UNSC personnel in the Kenyan jungle.
Jorge-052 throws a red flare.
SPARTAN-B312 with a red signal flare.
A green flare in the caves near the Military Wilderness Training Preserve.
Private James MacCraw holding a signal flare aboard the Mona Lisa.
An emergency flare manufactured by Liang-Dortmund.
A red flare in the hand of a dead Marine on Installation 07.
Spartan Hieu Dinh holding a flare.
List of appearances[edit]
- Halo: The Fall of Reach (First appearance)
- Halo: First Strike (Mentioned only)
- Halo 3
- Halo Wars
- Halo 3: ODST
- Halo Evolutions - Essential Tales of the Halo Universe
- Halo: Reach
- Halo 5: Guardians
- Halo Infinite
Sources[edit]
- ^ a b Halo: The Fall of Reach, chapter 19: "He pulled the pin and tossed the smoker onto the ground. A moment later, thick clouds of green smoke roiled into the sky."
- ^ Halo 3, campaign level Sierra 117
- ^ Halo 3: ODST, campaign level Mombasa Streets
- ^ Halo Wars, campaign level Anders' Signal
- ^ Halo: Reach, campaign level Exodus
- ^ Halo: Reach, campaign level New Alexandria
- ^ Halo 5: Guardians, multiplayer map March on Stormbreak
- ^ Halo 5: Guardians, multiplayer map Escape from ARC
- ^ Halo Infinite, In-game model
