Launch ranges lack spare parts to support growing demand

SpaceX Tests its Starship-Catching Launch Tower

Ariane 6 stages on route to spaceport for months-long testing; late-2022 launch date is in doubt

William Harwood on Twitter: A very interesting update from Mike Menzel, NASA mission systems engineer: thanks to the accuracy of the Ariane 5 launch and two ultra-precise trajectory correction burns, Webb should have enough propellant, roughly speaking, to operate "around 20 years".