SpaceX just checked another big box on the path to its 15th Starship test flight, which promises to be pretty epic.

The company conducted static-fire tests with Starship 's Ship upper stage on Monday (Oct. 26) and Tuesday (Oct. 27), igniting its Raptor engines while the vehicle, known as Ship 42, remained anchored to the ground.

"Ship 42 static fires complete. The Starship preparing for Flight 15 performed a full duration, six-engine static fire, and fired a single Raptor engine to simulate a deorbit burn," SpaceX said in a Wednesday (Oct. 28) X post that shared video of the tests.

SpaceX conducts a six-engine static fire test with its Flight 15 Starship upper stage on Oct. 27, 2026. (Image credit: SpaceX)

The Ship 42 tests come on the heels of a successful 33-engine static fire with Booster 22 , the Starship Super Heavy first stage that will conduct Flight 15.…