Related Clues:
- Passing things
- Items of short-lived use
- Printed matter
- Short-lived things
- Fleeting things
- Control tower observations
- Transitory things
- Fads and such
- Brief upturns
- Radar-screen images
- Control-tower images
- Radar images
- Bogeys, to radar operators
- Bogeys, on radar screens
- Spots of light on a radar screen