NASA TV UFOs:
UFO Cluster Filmed During the STS-75 Mission

This footage was filmed several hours after the STS-75 tether incident occurred:

http://www.youtube.com/watch?v=jtYniZUhQ1E

In the video, one can see several unknown objects of different sizes.

The video comes from Martyn Stubbs’ NASA TV UFO archives.

The NASA STS-75 Columbia mission:

Launch date: 22 February 1996 -
Landing date: 9 March 1996.