> Think of the Hubble as a Keyhole pointing the other way. I still remember one discussion on NRO where an user mentioned that it donated a space telescope to

> Think of the Hubble as a Keyhole pointing the other way. I still remember one discussion on NRO where an user mentioned that it donated a space telescope to NASA [0], built around the same time as Hubble, that had better specs. And that's the spare one! [0] - https://en.wikipedia.org/wiki/2012_National_Reconnaissance_Office_space_telescope_donation_to_NASA https://en.wikipedia.org/wiki/2012_National_Reconnaissance_O...