Identification friend or foe: Difference between revisions
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[[File:IFFtags.jpg|thumb|IFF tags identifying UNSC soldiers]] | [[File:IFFtags.jpg|thumb|IFF tags identifying UNSC soldiers]] | ||
Revision as of 19:44, November 29, 2012
Identification friend or foe, or IFF, is a system used by the UNSC to tag friendly or hostile units for easy identification on a heads-up display or motion tracker.[1][2] The equipment of a friendly unit generates a signal on a specific frequency, which is interpreted as a "friendly" signal by the receiver. If a signal is not generated, then unit is tagged as a hostile. Friendly units appear as yellow dots on the motion tracker, while the crosshairs of a HUD turn green when pointed at them. Hostile units show up as red on a motion tracker, and the HUD crosshairs turn red.
In the Halo 2 level, Gravemind, John-117 managed to rescue a dozen UNSC prisoners of war. This was due to Cortana identifying their "IFF transponders", which were still with the Marines.
Most UNSC ships, ranging from civilian freighters to UNSC Navy warships, possess IFF transponders displaying their identity, allegiance, and classification.[3]
Sources
- ^ IFF at Wikipedia
- ^ Halo: Contact Harvest, page 178
- ^ Halo: Contact Harvest, page 176
