To the moon and beyond: RamaLama being tested by NASA to potentially support a medical AI assistant for future deep space missions

As the world prepares for the next era of human spaceflight, ensuring the health of astronauts on missions to the Moon and Mars is a top priority. However, it presents a significant challenge for missions the farther away from Earth we go: providing high-quality medical care when real-time communication with Earth-based doctors could be limited or impossible.

Researchers at NASA’s Johnson Space Center in Houston are testing the Crew Medical Officer Digital Assistant (CMO-DA) to meet this challenge. Powered by RamaLama for local AI inference, this clinical decision support system is designed to help astronauts diagnose and treat medical symptoms, ensuring mission success even when the link to Earth is severed.

What is RamaLama?

RamaLama is a Red Hat-backed open source tool designed to "make AI boring" by simplifying how developers run, pull, and serve AI models. Led by Red Hat engineers, the project treats AI models like container images, allowing them to run in isolated, security-first environments across diverse hardware—from laptops to specialized edge servers in space.

By using Open Container Initiative (OCI) compliant containers, RamaLama enables AI models to be portable and predictable, which is essential when deploying technology into the extreme conditions of spaceflight.

From proof of concept to autonomous edge reality

The CMO-DA began as a proof of concept to demonstrate how AI trained on spaceflight medical literature could provide real-time health analyses. However, to be truly mission-ready, the project had to move from a cloud-dependent model to a fully disconnected, edge deployment. In deep space, relying on a terrestrial cloud connection is not an option.

This transition to autonomous operation is currently powered by RamaLama running on HPE hardware—specifically the terrestrial twin of the Spaceborne Computer currently aboard the International Space Station.  

• Multimodal inference: RamaLama provides the engine to run both large language models (LLMs) for complex medical  reasoning and Vision Language Models (VLMs) for image-based symptom analysis. This allows the CMO-DA to process both text and visual data without needing a massive infrastructure footprint. 
• The edge advantage: By utilizing RamaLama, researchers can run sophisticated AI models locally on the device, making medical guidance available instantly, regardless of the spacecraft's distance from Earth.

By using these open source tools, NASA researchers can test a system that is reproducible and auditable - essential factors for human safety in mission-critical environments.

What’s next for CMO-DA?

The current terrestrial testing on the Spaceborne twin allows the team to refine the system before the final push to the International Space Station. Once validated on Earth, the CMO-DA will be demonstrated to NASA leadership so that they can evaluate its further use.

Looking ahead, the project team plans to integrate Red Hat Enterprise Linux AI (RHEL AI) for the next iteration of the CMO-DA. The move to RHEL AI will provide a stable, hardened foundation and a more seamless way to scale and manage these containerized AI applications in the harshest remote environments.

This milestone isn’t just a leap for space medicine; it’s a potential blueprint for the future of AI at the edge. The same technologies helping astronauts stay healthy in deep space could one day be applied to provide high-quality medical care in the most remote areas here on Earth.