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Spacesuit (Mothership Zeta)

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Icon disambig.svg
For the REPCONN-brand space suit seen in Fallout: New Vegas, see space suit (Fallout: New Vegas).
DR1Item HP10,000,000
Radiation suit
Advanced radiation suit
base idxx0058eb
Astronaut Helmet (cut)
DR5Item HP50
Combat helmet and variants
base idxx00bb63
Gametitle-FO3 MZ.png
Gametitle-FO3 MZ.png

The USSA spacesuit is a piece of clothing in the Fallout 3 add-on Mothership Zeta.


Designed by the United States Space Administration, the spacesuit is designed to keep the wearer alive in extremely low temperatures and extremely low pressures. Although a spacesuit is designed to block out harmful interstellar radiation, this suit will not protect you from radiation sources. It provides a damage resistance of 1 and has a very high item health (10,000,000 HP). Radiation suits and advanced radiation suits can be used to repair. Although the suit has its own oxygen tanks for spacewalks, if it is equipped before swimming you will still have the normal amount of oxygen, as well as the possibility of drowning.


When you complete the quest Not of This World you will unfreeze people from different time periods. One of them, Colonel Hartigan, died from the thawing, allowing you to loot his spacesuit. It will be located in the pod to the far right.


  • When the player character is doing his or her spacewalk, you can hear respiration, despite the lack of visible air supply on the suit.
  • During the spacewalk, the player is unable to use their Pip-Boy, as it is inside the spacesuit's sleeve. However, the Pip-Boy (and fingerless glove) are still visible in third person.
  • If the depressurization is activated without the suit on, the player's head explodes.
  • If you take off the spacesuit during the spacewalk, your suicide will result in positive or negative karma based on your own karma level (positive for evil characters, negative for good). This is likely a joke from the developers. It may also may because you are killing yourself, and gain/lose karma accordingly as you would when you kill any other high/low karma character.
  • Like the winterized T-51b power armor from the Operation: Anchorage add-on, the spacesuit has extremely high durability. This is probably because the developers wanted to make sure the suit wouldn't break before the player can begin the spacewalk.
  • After returning to the Wasteland, the spacesuit can be given to a companion. Despite the extremely low damage resistance, non-player characters like Charon and Star Paladin Cross will wear the spacesuit instead of their default armor or other pieces of armor and even power armor. This may be due to its extremely high condition.
  • You may find the display case for a spacesuit in the Museum of Technology near the final terminal in the Jiggs' Loot unmarked quest. Whether or not this is foreshadowing is unknown.
  • The helmet is also the helmet for cut Blast Off pajamas.

Behind the scenes

  • The suit is based on either the Project Mercury or Project Gemini spacesuits from the early 1960s. Early previews specifically christened the suit a "Gemini-era spacesuit".
Icon cut content.pngThe following is based on Fallout 3 cut content and has not been confirmed by canon sources.
  • At one point during development the suit was to consist of two separate pieces: a bodysuit and a helmet. Though not included in the final release, the helmet remains in the add-on's resources and can be obtained using console commands.


  • PCIcon pc.png The suit cannot be hotkeyed.
  • PCIcon pc.png If the Pip-Boy light was active before starting the spacewalk, it will remain active during that sequence, but it cannot be activated by the player during the sequence if it was initially inactive. It can, however, be deactivated.
  • Xbox 360Icon xbox360.png When highlighted in the Pip-Boy, "Equip" isn't lit, though the player can still equip it, most likely because the suit is marked as a quest item; until you finish the space walk then it becomes a normal item.