September 18, 2019

Photos: Atlas 5 rolled out with OA-7 Cygnus


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The United Launch Alliance Atlas 5 rocket was transfered from its assembly building to the pad at Cape Canaveral’s Complex 41 today for Tuesday’s launch of a commercially-operated cargo ship to resupply the International Space Station.

Liftoff is planned for 11:11 a.m. EDT (1511 GMT).

The rocket was wheeled out aboard a mobile launcher platform, emerging from the hangar where the rocket’s two stages and the payload were integrated.

The slow drive from the 30-story Vertical Integration Facility to the launch pad used a pair of specially-made “trackmobiles” to carry the rocket’s 1.4-million pound launching platform along rail tracks for the 1,800-foot trip.

The rocket is flying the 401 vehicle configuration. The version features two stages, a four-meter-diameter nose cone and no solids. It is powered off the launch pad by an RD AMROSS RD-180 main engine. The Centaur upper stage has an Aerojet Rocketdyne RL10C-1 cryogenic engine.

Photo credit: United Launch Alliance/Jeff Spotts

See earlier OA-7 Cygnus coverage.

Our Atlas archive.


If you would like to see more articles like this please support our coverage of the space program by becoming a Spaceflight Now Member. If everyone who enjoys our website helps fund it, we can expand and improve our coverage further.
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