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Constructing the launch pad infrastructure for astronauts to board Boeing’s Starliner crew capsules atop United Launch Alliance Atlas 5 rockets, workers delivered the Crew Access Arm with its White Room to Cape Canaveral’s Complex 41 on Thursday, Aug. 11.

It was built in Oak Hill, just north of the Kennedy Space Center.

The 42-foot-long swing arm will be hoisted onto the new 200-foot-tall crew tower and attached next week. Work to build the crew accommodations have been underway for just over a year, occurring around the busy Atlas 5 launch schedule.

Starliner is scheduled to make its first crewed test flight to the International Space Station in early 2018.

Video courtesy of NASA-KSC