a UFO See http://grammar.ccc.commnet.edu/grammar/abbreviations.htm (all the way to the bottom) for help determining when to use a or an before an abbreviation.
They usually see UFO's at a UFO sighting
Ufo's do exist because a Ufo is a thing in the sky that you can not explain.
movies that have UFO's in them i guess
It is unknown what is inside of a UFO.
The 'F' in UFO stands for "Flying". UFO is an acronym for Unidentified Flying Object.
Flying Saucer Review magazine ceased publication in 2014 after more than 60 years of covering ufo-related topics. There are no current plans to revive the magazine.
Alien+rocket=UFO
You put the rod in the UFO and
Air +metal= ufo
If a UFO was found by a person, then it was no longer flying and no longer unidentified; therefore, no longer a UFO.
The average UFO has no weight. The average UFO is a digital image or an image on film.