Description

Credible witness comes forward with a series of unexplained photos of a flying object. On April 19, 1978, by Officer Mark Coltrane patrolling near Colfax, Wisconsin. During lunch, he heard radio crackles and saw a metallic disc ascending nearby. As it approached, he photographed it with his Polaroid, capturing details of its underside in one close-up shot.

https://ufologie.patrickgross.org/htm/colfax78.htm