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Booster 14 was a Super Heavy vehicle launched on Starship Flight 7 and was successfully caught on the launch tower's chopstick arms. One of Booster 14's Raptor engines (314) was launched on Booster 12 and reflown on Flights 7 and 9. Booster 14 was the first Super Heavy booster to be reused, and launched Starship Flight 9 with 29 flight-proven engines, of the 33 total on the booster.
Booster 14 performed the first static fire of a flight-proven Super Heavy vehicle, ahead of its planned use on Starship Flight 9. Of the 33 engines on the booster, 29 are flight-proven.
Booster 14 conducted a static fire of its Raptor engines in preparation for its use in Starship Flight 7.
Booster 14 conducted a spin prime test with its Raptor engines.
Booster 14 conducted a cryogenic proof test to verify the structural integrity of the vehicle.
Booster 14 conducted a cryogenic proof test to verify the structural integrity of the vehicle.