The mission is likely to be the fourth and final Starship flight before the end of 2024. Liftoff from Pad 1 at Starbase at Boca Chica Beach, Texas, is set for 4 p.m. CST (5 p.m. EST, 2200 UTC).

Three crew members departed the International Space Station on Wednesday and descended back to Earth, touching down in Kazakhstan aboard the Soyuz TMA-14M capsule at 10:08 p.m. EDT (0208 GMT Thursday).

Astra was gearing up for the first orbital test flight of its small satellite launcher, named Rocket 3.0, from Alaska on Monday, but officials scrubbed the launch after detecting a problem with a guidance, navigation and control system in the final minute of the countdown. Poor weather at the launch site also prevented liftoff over the weekend on the first of two missions under the auspices of DARPA’s Launch Challenge.