Elon Musk’s SpaceX on Sunday called off the launch of Starship’s tenth mission from Texas over an issue at its launch site, delaying an attempt to achieve several long-sought development milestones missed due to past tests ending in early failures. The 70.7-meter-tall Super Heavy booster and its 52-meter-tall Starship upper half sat stacked on a launch mount at SpaceX’s Starbase rocket facilities as it was being filled with propellant ahead of a liftoff time of 7:35 p.m. ET (2335 GMT).

After setbacks in its last three flight attempts, Elon Musk’s company has a lot riding on the latest trip of its Starship prototype.

SpaceX wants to put the two-stage rocket's massive booster through its paces. The flight test comes as the multibillion-dollar Starship program has suffered a streak of failures…