Crashed UFO

*Locations:
** Alien crash site, the crash site of recon craft Theta and launch point for the Fallout 3 add-on Mothership Zeta.
** Hovering alien ship, an extraterrestrial landing zone north of Horowitz farmstead, encountered if the Courier has the Wild Wasteland trait in Fallout: New Vegas.
** UFO crash site, an extraterrestrial crash site east of Oberland station, occurring randomly during Fallout 4.
* Vehicle:
** Alien Ship, a crashed alien craft in a special encounter in Fallout.
** Flying saucer, the alien ship found in the Alien Ship special encounter in Fallout.
** Recon craft, a crashed alien craft and launch point for the Fallout 3 add-on Mothership Zeta.
** UFO, a crashed alien craft, east of Oberland station, occurring randomly during Fallout 4.
* Quests:
** Unidentified Flying Debris or "Firelance event", a random encounter in which a UFO explodes overhead, in Fallout 3.