Emergency Egress
An astronaut in an orange launch and entry suit practices going down a crew escape slide

Astronaut Michael Fossum, STS-121 mission specialist, uses the crew escape slide in the crew compartment trainer during emergency egress training. Image Credit: NASA

      a quick exit from a vehicle because of a dangerous situation requiring action right away

Astronauts practice their emergency egress many times just in case they have to leave the space shuttle quickly.

When schools have a fire drill, they are practicing emergency egress.

More Information:
http://spaceflight.nasa.gov/shuttle/reference/shutref/escape/slide.html   →
http://spaceflight.nasa.gov/shuttle/reference/shutref/escape/secondary.html   →