UFOB INDEX CARD AISS-UFOB-412-55

This document is a UFOB Index Card, identified as AISS-UFOB-412-55, documenting a sighting that occurred on December 11, 1955. The incident took place in the vicinity of Colorado Springs and Denver, Colorado, at 1330Z. The report indicates that there were three observers, both military and civilian, who provided a consistent description of the event. The witnesses reported seeing a single object that appeared green in color with an orange trail, noting that it was significantly brighter than a jet exhaust. The duration of the observation was recorded as being between three and five seconds, with the object traveling in a northwesterly (NW) direction. The document explicitly states that no photographs were taken and there was no radar contact associated with the event. The final conclusion provided on the card is that the object was definitely identified as a meteor by a USAF Captain who was a pilot. The card also contains a notation indicating that there is no further case file available.