Axiom Space Sues Vast Space Over Alleged NASA Proposal Plagiarism

A legal battle between two primary contenders for NASA's next-generation private space station contracts has surfaced just as the agency nears a critical deadline. According to reporting from Ars Technica, Houston-based Axiom Space has filed a False Claims Act lawsuit against Long Beach-based Vast Space, alleging that Vast presented NASA with a fraudulent mission-planning document using Axiom's proprietary information.

The dispute centers on the Private Astronaut Missions (PAM) program. Axiom, which won the first four PAM contracts, alleges that Vast submitted a Mission Integration and Operations Management Plan (MIOMP)—the operational blueprint for a mission—that was not independently authored. Ars Technica reports that NASA notified Axiom on June 3 that sensitive information had been improperly included in a Vast deliverable. Specifically, Axiom alleges that Vast substituted the phrase “the PAM Provider” for Axiom’s name in some areas, while failing to remove Axiom’s name and company details in others.

Axiom contends that these documents represent years of investment and are critical for crew safety. A spokesperson for Axiom told Ars Technica that presenting another company's experience as its own fails the standards of integrity required for public-private partnerships. Vast has pushed back, stating the lawsuit is about competition rather than fraud, and arguing that competition drives innovation and taxpayer value.

The timing is critical: final proposals for private space stations are due to NASA on December 14. The lawsuit, filed June 19 in a Houston federal court, seeks litigation costs, civil penalties, treble damages, and a statutory whistleblower award.