Elon Musk's SpaceX has unveiled a new prototype of Starship, that has broken the record for the world's tallest ever rocket ahead of its planned orbital test flight this year.
Engineers carefully placed the prototype atop its huge booster in a 'stacking test' for the first time today.
The booster and rocket stand at a whopping 395 feet tall (120 m), taller than NASA's massive Saturn V moon rocket, which was 363 feet tall (110 m).
"Dream come true," Musk wrote on Twitter of the stacked Starship.
It is currently unknown when the world's tallest rocket will get an actual chance to fly – the Super Heavy rocket, known as Booster 4, needs to first pass several pressurization and engine tests before it lifts off.
SpaceX is also waiting on an environmental review of the ship's launch operation which is currently being performed by the U.S. Federal Administration, but its unclear when that will be completed.
On Twitter, Musk wrote that Starship and its Super Heavy booster also still need at least "4 significant items" before they'd be ready to fly.
These include heat shield tiles for Starship, thermal protection for the engines, a quick disconnect arm for Starship and more ground propellant storage tanks.
SpaceX eventually wants to use Starship as a fully reusable, two-stage transportation system that can send humans and large sets of cargo to the moon, mars and other solar system locations.
The program recently received a large contract win with NASA, who selected the Starship as the crewed lander for the agency's Artemis moon-landing mission.
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NASA was previously going for a 2024 deadline to put humans back on the moon, but the Biden administration has yet to confirm if they will be sticking to this timeline.
The rocket's orbital flight plan will see the first Super Heavy Booster 4 splash down in the Gulf of Mexico after it launches the Starship prototype aloft.
The Starship will then boost itself into orbit for the first time and fly around a whole rotation of the Earth, before finally landing over the Pacific Ocean – just 90 minutes after its launch.
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