SpaceX to launch 13th Starship flight test What we know: SpaceX's latest test flight is currently scheduled for Thursday with the 90-minute launch window opening at 5:45 p.m. The latest test flight will test the company's Super Heavy booster with the objective of a successful launch, ascent, stage separation, boostback burn and landing burn. SpaceX said the booster's hardware has been modified to improve relight reliability. For Starship, the company hopes to launch 20 Starlink satellites and have a successful relight of an engine while in space with a controlled entry, descent and splashdown in the Indian Ocean. The company...