Very large UFO passing by and then behind the 12-mile long tether on filmed after the tether break on
STS-75, Februay 25, 1996. The video camera was being operated by astronaut Claude Nicolier

Photo of the STS-75 mission showing a UFO and the tether. Note that the tether is between 77-100 nautical
miles away from the shuttle Columbia. The tether is 12 miles long. The UFOs all pass
"behind" the tether which allows us to view and measure their minimum sizes. Some are 2-3 miles minimum diamter