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The HEXAGON had a powerful dual camera system also known as the KH-9 and capable of imaging almost the entire Soviet landmass in a single mission. Because of that, the 20th and last HEXAGON spacecraft, scheduled for launch in spring 1986, became very important to many members of the intelligence community.
Had read about Hexagon program's 20 Keyhole-9 or Big Bird spy sats being declas years ago but didn't know there was released footage sitting up on YT for so long. Only 1 vid left, though, and they removed 30 of the 37 minutes!
What have they redacted? And why does it look like it's just Hubble pointed in the opposite direction?