Starship SN11 was on the launchpad at SpaceX’s Starbase facility in Boca Chica, Texas, when Elon Musk tweeted that the launch attempt had been delayed.
“FAA inspector unable to reach Starbase in time for launch today,” he wrote. “Postponed to no earlier than tomorrow.”
The launch window was just over an hour away from opening, with the set back marking the latest in a long succession of Starship delays.
The 10km launch and landing was originally scheduled to take place on Friday but had to be postponed due to technical issues with the next-generation spacecraft.
Despite the delays, the rate of testing for the Starship prototypes has been remarkable.
The first high-altitude flight test took place in December, ending in a fiery explosion for Starship SN8. A similar outcome occurred in February for Starship SN9, before SN10 finally stuck the landing in early March - although eight minutes after landing it also exploded.
SpaceX hopes to perform the first ever orbital flight of a Starship with a super heavy booster attached by July, with production potentially beginning later this year or in 2022.
The first commercial flight of Starhip is scheduled for 2023, when Japanese billionaire Yusaku Maewa will take eight members of the public on a trip around the moon.
The first uncrewed mission to Mars will then take place in 2024, before a crewed Starship mission two years later.
Mr Musk’s eventual goal is to built a self-sustaining colony on Mars in order to transform humanity into a multi-planetary species, which he claims could happen as early as 2050.
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