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Malcolm Kelerchian, protected by a personal force field

Force fields are terran-designed energy-based shields, contrasted with protoss shields which are partially psionically powered.[1]

Force fields provide protection from projectiles, energy-based weapons and electronic surveillance.[2] Upon impact of external objects, the effect varies. Against personal force fields, bullets simply bounce off and fall.[3] Explosive weaponry such as missiles against ships is more spectacular however, the absorbed energy creating a corona effect.[4] The only sign of a force field deactivating is a slight ripple through the air around it.[2]

They are useless against cloaked opponents, since they only react to things they detect.[3]

Personal Force Fields

By 2478 the Terran Confederacy had developed personal force fields, which only lasted a few minutes and were prohibitively expensive, even for members of the Old Families such as Angus Mengsk.[2]

By 2499 longer-lasting portable devices had been developed for personnel,[3] such as containment fields for firebats.[5] These were virtually immune to small arms fire and, at full power, provided some protection from debris.[3]

Former Terran Dominion scientist Egon Stetmann devised a force field made from ionized gas. When he discovered it would be used as part of the arsenal of cybernetic slave warriors, he tried to steal the prototype. He was forced to destroy it to make his escape.[6]

Larger Force Fields

Force fields can protect parts of buildings. This version of the force field also existed as of 2478.[2]

By 2491 force fields could also be mounted on battlecruisers and Wraiths.[4]

By 2499 the terrans were developing projectible force fields, such as the defensive matrix created by science vessels[7] and strengthened doors (available to crime lord Fagin).[3]

Following the Brood War remnants of the Confederacy undertook some work into "polarity shifting energy shields using Battlecruiser technology."[8] In addition, force fields were able to be applied to small scale objects such as cabinets, acting as a means of security.[2]

The Terran Dominion used force fields to protect an advanced munitions factory on New Sydney. It was occupied by a Koprulu Liberation Front cell, which used the force fields to protect themselves. However, the force fields only protected against opponents it could detect; it wasn't able to detect ghost agent Nova.[3]

By the Second Great War, LarsCorp Technologies had developed a defensive matrix system for Minotaur-class battlecruisers.[9]


  1. Karune. 2007-01-22. StarCraft II Q&A - Batch 26. StarCraft II General Discussion Forum. Accessed 2008-01-22.
  2. 2.0 2.1 2.2 2.3 2.4 McNeill, Graham (December 30, 2008). StarCraft: I, Mengsk. Simon & Schuster (Pocket Star). ISBN 1416-55083-6.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 DeCandido, Keith R. A. (November 28, 2006). StarCraft: Ghost: Nova. Simon & Schuster (Pocket Star). ISBN 0-7434-7134-2.
  4. 4.0 4.1 Neilson, Micky. StarCraft: Uprising. New York and Toronto, Ontario: Pocket Books, December 2000. ISBN 0-7434-1898-0 (eBook only).
  5. Hickman, Tracy (May 21, 2002). StarCraft: Speed of Darkness. Simon & Schuster (Pocket Star). ISBN 0-671-04150-9.
  6. Blizzard Entertainment staff. 2010-07-24. Cast of Characters: Egon Stetmann. Blizzard Entertainment. Accessed 2010-09-10.
  7. Underwood, Peter, Bill Roper, Chris Metzen and Jeffrey Vaughn. StarCraft (Manual). Irvine, Calif.: Blizzard Entertainment, 1998.
  8. 2000-10-27. StarCraft: Brood War. Vivendi Games. Mission: Deception (in English). Map Archives: Deception.
  9. Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard). PC. Armory upgrades (in English). 2010.
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