The David Clark Co., based in Worcester, began designing the Orion Crew Survival System suits more than a decade ago.

Each Artemis II astronaut will endure the obstacle course, which will take about 1.5 hours to complete, one at a time.

NASA’s historic Artemis II mission nears its journey’s end as the Orion spacecraft prepares for a Pacific splashdown amid shifting weather patterns. Meanwhile, relentless storms continue to trigger ...