The initialism UFO stands for unidentified flying object and is pronounced as its three letters. UFO is written without periods between the letters and is preceded by the article a, not an.
- The pilot reported sighting a UFO over Vegreville.
The plural is UFOs, rarely UFO’s, a spelling that should be reserved for the possessive.
- Does Malcolm truly believe in UFOs?
- The News-Record had a front-page story about the UFO’s arrival.
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