First Ever ISS-Evacuation Alert: What Forced NASA To Hit The Panic Button In Orbit After 28 Years In Space?

On Friday, a worsening air leak from a crack in Russia's Zvezda module escalated from one pound to two pounds of air per day, prompting NASA to order five ISS astronauts to shelter in their SpaceX Crew Dragon spacecraft for roughly two hours. The safe-haven order was later lifted.