Tag: contrail (5 results)

06-28-1999 - Another 90-Degree Aerial Turn Associated with Contrail
06-12-1999 - Contrails and U.S. Government Interest
06-10-1999 - Moving Contrail Makes 90 Degree Turn Near Three Rivers, Michigan on April 22, 1999
03-21-1999 - Rings In Canadian Forests; Contrail Spheres; and Symbols
03-17-1999 - Silver Sphere In Contrails Over Albuquerque, New Mexico