> This would likely have been far, far cheaper than the repair mission sent to fix the sole Hubble If two Hubbles had been built the same, both could have had

> This would likely have been far, far cheaper than the repair mission sent to fix the sole Hubble If two Hubbles had been built the same, both could have had the same implementation error [0] that required the first repair flight. [Edit] Although I guess the second one could have been fixed on the ground based on experience from the first, assuming a non-simultaneous launch. [0] https://en.wikipedia.org/wiki/Hubble_Space_Telescope#Flawed_mirror https://en.wikipedia.org/wiki/Hubble_Space_Telescope#Flawed_...