SpaceX Starship Engine Failure Could Delay NASA's Lunar Landing Goal

An engine failure during SpaceX's 14th uncrewed test flight of its Starship spacecraft could complicate NASA's timeline for returning astronauts to the moon. Starship is slated to be one of the vehicles used to land humans on the lunar surface as part of NASA's Artemis program, a feat last accomplished in 1972.

Despite the mission cutting short after a propulsion system malfunction, flight controllers successfully sent the spacecraft to orbit and deployed commercial satellites. However, the unexpected shutdown of one of its three main Raptor engines raises critical questions for both SpaceX's commercial ventures and NASA's lunar ambitions.

“Any engine fix that holds up the next flights, including the planned attempt to catch the ship with the launch tower’s arms (after re-entry), eats into that schedule,” said Dean Sladen, an aerospace engineer for Accu Components. The stakes are particularly high for NASA, as the Starship moon-landing vehicle relies on the same engine system for transporting astronauts to and from the lunar surface.

Raptor engine and propulsion system issues have contributed to previous Starship setbacks. During an earlier test flight in May, an engine failed to ignite as planned. While some prior flights saw SpaceX forgo testing the Raptor engine in space, all engines fired successfully during ascent on Starship's 13th flight in July.

NASA's Artemis program aims to land astronauts on the moon by 2028, ahead of China's planned crewed lunar landing by 2030. The Artemis III mission, targeted for summer 2027, will require a functional lunar lander to test rendezvous and docking maneuvers in low Earth orbit. SpaceX is developing its Starship-based Human Landing System, while Blue Origin is building its Blue Moon lander.

NASA has indicated that it will proceed with whichever lander is ready first, a strategy influenced by delays in Starship's test flight program. The success of the Artemis II mission, which sent astronauts around the moon and back in NASA's Space Launch System rocket and Orion capsule, marked a significant step, but the lunar landing capability remains dependent on vehicles like Starship.

SpaceX, founded by Elon Musk, is competing with Jeff Bezos's Blue Origin in the race to facilitate lunar exploration under NASA's Artemis program. Both companies' landers are expected to participate in the Artemis III mission, demonstrating orbital maneuvers using their in-space engines.