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- "The klaxon began to wail, but we felt the reassuring tingle of the Tachyon Field crackling to life around us, encasing the entire base in its impenetrable glow."
– Spartan Kel, "The Fall of Sparta"
Tachyon Field is a base facility in Sid Meier's Alpha Centauri. The Tachyon Field increases the base defense modifier by an additional 100%, in addition to the 100% provided by its prerequisitely built Perimeter Defense. Unlike Perimeter Defenses, however, it increases the modifier for all areas of combat; land, sea, and air. Thus, a base with both a Perimeter Defense and a Tachyon Field has its effective defensive ability tripled against land units, and doubled against air units (or tripled if the base also has an Aerospace Complex.
It requires Probability Mechanics to build. Like any other base defense system, however, it can be bypassed by units bearing the Blink Displacer ability.
| Alpha Centauri Base facilities | |
|---|---|
| Build | AquafarmX • Brood PitX • Energy Bank • Genejack Factory • Headquarters • Hologram Theatre • Hybrid Forest • Nanoreplicator • Nessus Mining Station • Paradise Garden • Punishment Sphere • Quantum Converter • Recreation Commons • Recycling Tanks • Robotic Assembly Plant • Stockpile Energy • Thermocline TransducerX • Tree Farm |
| Conquer | Aerospace Complex • Bioenhancement Center • Command Center • Covert Ops CenterX • Naval Yard • Orbital Defense Pod • Perimeter Defense • Psi Gate • Skunkworks • Subspace GeneratorX • Tachyon Field |
| Discover | Fusion Lab • Nanohospital • Network Node • Orbital Power Transmitter • Quantum Lab • Research Hospital • Subsea TrunklineX |
| Explore | Biology Lab • Centauri Preserve • Children's Creche • Flechette Defense SystemX • Geosynchronous Survey PodX • Hab Complex • Habitation Dome • Pressure Dome • Sky Hydroponics Lab • Temple of Planet |
| X Added in Alien Crossfire | |