Sierra’s Dream Chaser: A Failing Investment?
Dream Chaser Spaceplane shifts Focus to Defense Contracts, Delays Launch
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Sierra Space is reorienting its dream Chaser spaceplane toward national security applications, a move that effectively ends its planned cargo missions to the International Space Station (ISS) and pushes its debut to at least 2027.
Strategic Shift to Defense Tech
Sierra Space announced a strategic shift on November 21,2023,prioritizing contracts within the national defense sector. According to the company, this change will provide greater “flexibility” in pursuing these opportunities.
“Dream Chaser represents the future of versatile space transportation and mission flexibility,” said Fatih Ozmen, executive chair at Sierra Space, in a company statement. “This transition provides unique capabilities to meet the needs of diverse mission profiles, including emerging and existential threats and national security priorities that align with our acceleration into the Defense Tech market.”
NASA Certification Challenges
While NASA’s official release doesn’t detail the reasons behind the shift, sources speaking to Ars Technica indicate that the spacecraft’s propulsion system has not yet been certified by the space agency. Dream Chaser utilizes over two dozen small rocket engines, each with three levels of thrust for precise orbital maneuvering.Certification is a mandatory step before any vehicle can approach and dock with the ISS.
Delayed Launch Timeline and ISS Implications
Sierra Space is now targeting a launch “late 2026,” but space industry observer Eric Berger suggests, based on his established “Berger’s Law” – a pattern of delays in spaceflight programs – a more realistic timeframe is 2027 or later. this delay effectively removes Dream Chaser from contention for cargo deliveries to the ISS, which is currently scheduled for deorbiting in 2030.
The ISS already has established and reliable cargo providers: SpaceX’s Dragon spacecraft and Northrop Grumman’s Cygnus, the latter of which has recently been upgraded to a larger capacity vehicle. These existing solutions present a important competitive hurdle for Dream Chaser.
Future Prospects: Commercial Space Stations
Dream Chaser may find a future role servicing emerging commercial space stations in low-Earth orbit. However, success hinges on Sierra Space achieving reliable, frequent, and cost-effective flights.Competing with Dragon and Cygnus will require overcoming substantial challenges, especially given the spacecraft’s current delays and lack of guaranteed goverment contracts.