to separate oneself from · to break away from · diastasis (medicine) · abscission · abjunction (botany)

The Soyuz spacecraft undocked from the International Space Station at 9:53 p.m. EDT, carrying three people back to Earth.

Our Father who art in heaven, hallowed be thy name. Thy kingdom come. Thy will be done, on earth as it is in heaven. Give us this day our daily bread, and forgive us our trespasses, as we forgive those who trespass against us, and lead us not into temptation, but deliver us from evil.

That is how he got out of danger.