In Photos: ULA's Zip Line Astronaut Escape System for Boeing's Starliner

Tested and Ready


The Emergency Egress System put in place by United Launch Alliance and Boeing at Space Launch Complex 41 have undergone a finale safety test. The system takes crew members from level 12 of the Crew Access Tower in chairs on slide wires to a safe area at complex.

Designed for Safety

United Launch Alliance

Seats that make up part of the Emergency Egress System at Cape Canaveral Air Force Station's Space Launch Complex 41. The system is a vehicle for astronauts to quickly exit the tower in case of an emergency.

Tall Tower

United Launch Alliance

The EES was created for Boeing's CST-100 Starliner crew capsule launch atop ULA's Atlas V rocket. ULA and Boeing have been modifying Space Launch Complex 41 in preparation for the manned missions.

Strong Anchor

United Launch Alliance

Cables for the Emergency Egress System at Cape Canaveral Air Force Base's Space Launch Complex 41.

Space Launch Complex 41

United Launch Alliance

From the Crew Access Tower, a stunning view of Space Launch Complex 41 features the cables of the Emergency Egress System. ULA and Boeing created the system in preparation for the launch of Boeing's CST-100 Starliner crew capsule on a ULA's Atlas V rocket.

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Christine Lunsford
Producer and Contributing Writer

Christine Lunsford joined the team in 2010 as a freelance producer and later became a contributing writer, covering astrophotography images, astronomy photos and amazing space galleries and more. During her more than 10 years with, oversaw the site's monthly skywatching updates and produced overnight features and stories on the latest space discoveries. She enjoys learning about subjects of all kinds.