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Giga Fortresses are among the most powerful weapons the Empire ever developed.
- Imperial Advisor, detailing the Giga Fortress

The disturbingly strange Giga-Fortress is a massive, naval and aerial war machine. Based on the Empire's VX technology, the Giga Fortress is capable of transforming between a heavily armed, star-shaped battleship-like Sea Fortress, and a flight-capable, mech head-like Sky Fortress.


Main article: Giga-Fortress/Profile
Assessing viable targets.
- Giga Fortress in combat

The Uprising[]

The Giga-Fortress was deployed by Crown Prince Tatsu in an attempt to destroy the Allies that are occupying Japan, and one was operational near his headquarters, with others being constructed soon thereafter. They were all destroyed, however.

CNCRA3U logo Until a future game comes out and says otherwise, all Red Alert 3 - Uprising missions are treated as canon.
Eaaah?! That "thing" is bigger than the Kirov!!
- Soviet Soldier in Vladivostok

In the Imperial campaign, three Giga-Fortresses were sent from Tatsu into the battlefield to aid the commander to destroy Vladivostok against the bases of Oleg Vodnik and Nikolai Moskvin, as may well as to eliminate Giles' Allied base.

Game unit[]

Massive energy fluctuations detected. Intel reports that Tatsu has activated a new weapon called the Giga Fortress. So be on your guard, Commander.
- Allied advisor

The Giga Fortress is extremely powerful and durable in both modes. In its Sea Fortress mode, it serves a role similar to tier three heavy bombardment ships. Unlike said ships, however, its VX missiles allow it to defend itself against enemy aircraft, as well as enemy vessels that managed to close in.

In its Sky Fortress mode, its attacks inflict far more damage, and it hits targets in a line, allowing it to hit many units and structures that are clustered together. Its God's Breath device greatly out-ranges any anti-air defenses, allowing it to destroy them from afar. However, this is also its more vulnerable mode, since the God's Breath device is its only weapon in this mode, rendering it completely defenseless against air superiority fighters. Its slow movement and turning speed in this mode is also a deadly weakness, since it can be easily swarmed by anti-air infantry and vehicles, which can safely attack it from behind or below it. This is especially dangerous if there is no nearby water, which prevents it from transforming into Sea Fortress mode.

Due to their massive cost, losing even a single Giga Fortress is a major setback, so they must always be escorted by other units. In addition, despite being the most expensive unit in the entire game, the Giga-Fortress Core is just as fragile as any other Nanocores, so they should be unfurled as soon as possible, since enemies could easily destroy them while they are still in Nanocore form.




  • I am awake.
  • Giga Fortress, alive and ready.
  • Ready for assignment.

Selected in Sea Fortress Mode[]

  • Where do you need me?
  • I am listening.
  • Giga Fortress responding.
  • All systems nominal.
  • What is our objective?
  • Awaiting command.

Selected in Sky Fortress Mode[]

  • Nice day, isn't it?
  • This is a nice view.
  • Where is... my body?

Moving in Sea Fortress Mode[]

  • Command authorized.
  • Moving as ordered.
  • Of course.
  • Approaching destination.
  • Starting travel sequence.
  • Calculating route.
  • Processing request.
  • My thoughts exactly.
  • Heading set.

Moving in Sky Fortress Mode[]

  • I agree.
  • Proceeding as directed.
  • Updating coordinates.


  • Eliminating.
  • Removing enemy presence.
  • Engaging now.
  • Target destruction imminent.
  • Anticipating casualties.
  • All weapons on.
  • Enabling fire sequence.
  • Target is designated.

Moving to attack[]

  • Approaching target.
  • The task is now registered.
  • Preparing for engagement.
  • It will be eliminated.
  • Enemy removal commencing.

In combat[]

  • Continuing enemy scan.
  • Extermination in progress.
  • Assessing viable targets.
  • Weapons all activated.
  • Territory control is under way.
  • Prioritizing attack sequence.


  • I could use some repair.
  • Yes, I agree.

Under fire[]

  • Are you aware of them attacking me?
  • Experiencing technical difficulties.
  • Enemy resistance increasing.
  • They are attacking me!
  • Sustaining exterior damage.
  • Hull integrity is at risk.


  • The Giga-Fortress concept was recycled from the unused Flying Head Fortress unit concept.
  • If one looks closely at the back of a Giga-Fortress in air mode, the Shirada Cannons can be seen still turning around like in Fortress mode.
  • Since the Giga-Fortress is constructed as a Nanocore, it does not benefit from the effects of Veteran Academy.
  • The Giga-Fortress is one of the most costly units in the entire Command & Conquer franchise, costing a whopping 6300 credits each, making them even more expensive than the Epic units from Kane's Wrath.
  • The Giga-Fortress is the only naval unit that can attack air, sea and ground targets.



Surveillance footage

See also[]

EotRS logo Imperial Red Alert 3 Arsenal EotRS logo