On August 13, 1960, two California Highway Patrol officers — Charles Carson and Stanley Scott — were on patrol near Red Bluff, California, when they observed a bright, structured luminous object in the sky.

This case matters because it is a documented radar event whose object identity remains unresolved.
Documented
On August 13, 1960, two California Highway Patrol officers — Charles Carson and Stanley Scott — were on patrol near Red Bluff, California, when they observed a bright, structured luminous object in the sky.
Debated
The identity of the object
Debated
The adequacy of the conventional explanation
Unverified
Extraterrestrial origin
Unverified
Any claim stronger than the record supports
Sources are kept in separate layers: official and contemporary material is documented; secondary UFO literature is treated as debated, not as primary evidence.
Documented source.
Documented source.