http://www.nsa.gov/public_info/declass/ufo/index.shtml
In the C Comint file I found this:
One UFO (probably a balloon) moved slowly...south of ----turned SW after passing east of ----turned west upon reaching
south of ---- and ---- etc
Radar picked up 50 UFOs(probably a balloon) at one location. Many in the higher stratesphere.
