A slide wire escape system has been tested at launch pad 39A at the Kennedy Space Center in readiness for the first SpaceX Crew Dragon to carry astronauts to the International Space Station. The system was ready to be used by astronauts and ground crews to evacuate the launch pad. The ride in the slide's wire from the 265-foot level of the launch pad tower takes approximately 20 seconds to reach a landing zone about 1,200 feet (366 meters) away. From there crews could escape to the pad area in an armored vehicle or seek shelter in a bunker.
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Video: Spaceflight Now.