Cygnus Cargo Launch Postponed to No Earlier Than Dec. 19

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Cygnus is released from the International Space Station. (Credit: NASA)

Cygnus is released from the International Space Station. (Credit: NASA)

ISS Commercial Resupply Services Mission (Orb-1)

Launch Date: No Earlier Than December 19, 2013
Launch Site: Mid-Atlantic Regional Spaceport, Wallops Island, VA
Launch Window: 9:19 – 9:24 pm EST (02:19 – 02:24 am GMT Dec. 20)
Cygnus Arrival at ISS : No Earlier Than December 22, 2013

December 14, 2013 Update

At NASA’s direction, Orbital’s Cygnus operations team deferred loading the mission’s final cargo into the spacecraft earlier today, postponing that operation by a day. Orbital will await NASA’s direction for the final cargo load tomorrow while the cooling loop issue aboard the ISS is being investigated. If we get the go-ahead to load the final, time sensitive cargo on Sunday, roll out to the launch pad would be on Tuesday, December 17, launch on December 19, and rendezvous and berthing with the ISS on December 22. Please check back for additional updates over the next several days.