A wet dress rehearsal involves fueling the vehicle with liquid propellants and running through the entire launch sequence, including countdown procedures and scrub simulations, without igniting the engines. This step ensures that fuel lines, software, and ground communications are fully functional. With this test in the books, the launch team has validated the operational readiness of the stack, which is set to lift off from SpaceX’s Starbase facility in South Texas during a 75-minute window opening at 8:15 a.m. EDT (1215 GMT).
The stakes for Flight 14 are significantly higher than previous suborbital tests. While the first 13 launches, beginning in April 2023, focused on testing the booster’s flight envelope and the upper stage’s reentry capabilities within a suborbital trajectory, this mission requires Ship to achieve orbital velocity. Once in orbit, the spacecraft is designed to deploy 26 next-generation Starlink Version 3 satellites. These first members of a planned constellation of up to 100,000 spacecraft are intended to greatly expand network capacity and user speeds. Ship will remain in orbit for approximately ten hours, completing six revolutions of the Earth before re-entering the atmosphere and targeting a splashdown in the Pacific Ocean off the coast of Chile. This represents a change from previous flights, which typically targeted the Indian Ocean.

Reliability remains the central challenge, particularly for the Super Heavy first-stage booster. In the thirteenth flight in July, the booster experienced a performance failure where only ten of its 33 Raptor engines relit during the landing burn, resulting in a “hard splashdown” and the destruction of the vehicle. To address this, SpaceX has implemented hardware modifications to improve fuel filtering to the engines, alongside software changes designed to enhance relight reliability. The booster is expected to separate from Ship minutes after launch and attempt a controlled splashdown in the Gulf of Mexico roughly seven minutes after liftoff. Although SpaceX has successfully caught Super Heavy on the launch pad’s “chopstick” arms on three previous occasions, the goal for Flight 14 remains a safe water landing, with a return to pad-catch capability reserved for future operational missions.
The upper stage’s reentry profile will also test critical survival systems. Ship 40 will utilize an upgraded heat shield, including the reuse of two tiles recovered from the previous test launch—a first for the program. The vehicle’s ability to withstand reentry heating and survive the ocean impact without exploding is essential for proving the system’s reusability. Successful completion of this flight is viewed as mission-critical for SpaceX’s broader ambitions, including the phased retirement of its Falcon 9 workhorse rocket in favor of Starship, which can theoretically deliver roughly ten times as many satellites per launch. Furthermore, demonstrating orbital capability is a prerequisite for NASA’s Artemis III mission, currently slated for 2027, which relies on Starship to deliver astronauts to the lunar surface.

As the countdown proceeds toward Monday, the focus shifts to whether the hardware modifications will ensure a clean booster landing and whether Ship can successfully execute its orbital deployment and reentry. The outcome of this test will determine the next phase of Starship’s development, dictating the timeline for both commercial satellite deployment and human spaceflight to the Moon.