Minitab Blog

Artemis II Heat Shield: How Do You Decide Under Uncertainty?

Written by Oliver Franz | Apr 13, 2026 4:25:25 PM

On April 10th, Artemis II successfully splashed down, concluding the longest trip from earth anyone has ever traveled.

That challenge is a powerful reminder of what reliability really demands. The moment of success came down to one of the hardest problems in engineering: reentry. The Orion capsule’s heat shield had to perform under extreme conditions that cannot be fully recreated on Earth. Even with years of testing and modeling, uncertainty remained.

So the question becomes unavoidable: when the stakes are high, how do you move forward when you cannot know everything?

 

How do you evaluate risk when you cannot test every scenario?

When you cannot test every scenario, the focus shifts to understanding the full range of what could happen.

For Artemis II, engineers were not working toward a single predicted outcome. They were asking how the heat shield behaves across thousands of possible conditions. What if temperatures spike beyond expectations? What if material performance varies slightly? Where are the edges where things start to break?

Instead of chasing certainty, they built confidence through simulation and statistical modeling. By exploring variability and stress-testing assumptions, they could see where margins held and where they tightened.

That is what allows teams to act. Not perfect knowledge, but a clear view of risk and its boundaries. It reflects a principle that shows up across industries: progress happens when complex data is translated into decisions people can trust.

Mikhail Golovyna, Senior Advisory Data Scientist, explains how experts approach uncertainty when failure is not an option.

What makes a risk model trustworthy in high-stakes environments?

In high-stakes situations, the real question is simple: can you clearly explain how a decision was made and stand behind it under pressure?

There is no shortage of ways to build models today. Open-source tools and fast, flexible workflows have made it easier to explore ideas quickly. That flexibility has value early on, especially when teams are framing a problem or testing initial assumptions.

As decisions get closer, the gaps become harder to ignore. Open-source approaches often rely heavily on individual expertise, fragmented workflows, and custom validation steps. That can introduce inconsistency, make results harder to reproduce, and create blind spots around edge cases or assumptions that were never fully tested.

In a scenario like a spacecraft heat shield, those gaps carry real risk. Teams need to see exactly how inputs affect outcomes, validate results under pressure, and ensure that every conclusion holds up to scrutiny.

Structured analytical approaches bring that discipline. They make uncertainty visible, enforce consistency, and provide a clear line of sight from data to decision.

It also aligns with what many teams are actively searching for today: better ways to understand variation, model edge cases, and make decisions with confidence in complex environments.

 

How can teams apply this thinking to everyday decisions?

The same mindset applies more often than it might seem.

Most teams are not designing spacecraft, but they are constantly making decisions with incomplete information. A process starts drifting. A defect rate ticks up. A new design introduces unknowns. In those moments, the goal is not to eliminate uncertainty, but rather to understand it well enough to move forward with confidence.

That starts with asking better questions. Where is variation coming from? What does the worst case actually look like? How much risk is acceptable before action is required?

Teams that take this approach are able to move faster because they are not guessing. They have already explored the scenarios that could impact outcomes.

Artemis II is a powerful example of what that looks like at the highest level. The data was never perfect, the stakes were incredibly high, and the decision still had to be made.

And it was made with a clear understanding of risk.

 When uncertainty is unavoidable, how do you build enough confidence to act? Connect with Minitab’s team of experts.