Today's Starlink launch — the 94th Falcon 9 mission of the year already — was supposed to be the second half of a spaceflight doubleheader. SpaceX tried to launch the Crew-11 astronaut mission to the International Space Station for NASA today but scrubbed the attempt with about a minute left on the countdown clock due to bad weather.

The launch takes place on a milestone date, marking 20 years since the STS-114 space shuttle mission took off from Kennedy Space Center Pad 39B. The launch of Discovery on the STS-114 mission on July 26, 2005, marked the return to flight for the space shuttle after the Columbia tragedy investigation.

Looking for something to do this weekend? Arizonans could catch the first Starlink satellite launch in more than a week from neighboring California.