There’s a 40 percent chance of weather good enough to permit a liftoff from Launch Complex 41 during a 30-minute window that closes just before sunset.
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Launch Updates: To keep up to speed with updates to the launch countdown, dial the ULA launch hotline at 1-877-852-4321 or join the conversation at www.facebook.com/ulalaunch,twitter.com/ulalaunch and instagram.com/ulalaunch; hashtags #Cygnus, #OA4 and #AtlasV.
CAPE CANAVERAL, Fla. – Once again, high wind is keeping space station supplies stuck on Earth. Launch failures have sidelined both of NASA’s commercial suppliers; United Launch Alliance’s trusty Atlas V was called into service to get the supply chain moving again.
The launch of a United Launch Alliance Atlas V rocket carrying the OA-4 mission was scrubbed today due to forecasted high winds. But even the Atlas is no match for Mother Nature. There will also be Christmas presents on board for the crew.
In orbit, NASA astronaut Scott Kelly had to endure some teasing from his identical twin back home about the repeated delays.
Following Friday’s delay for potentially unsafe gusts, Mark said in a tweet, “Sorry @StationCDRKelly, you’ll have to wait one more day until you can read “Mousetronaut”!”
Displaying a can-do attitude, the team pressed on and rest the launch for Sunday, Dec. 6, with the launch window opening at 4:44 p.m. EST (21:44 p.m. GMT).
NASA announced on Thursday that the scheduled resupply mission involving the Cygnus freighter spacecraft has been delayed because of unfavorable weather.
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Launch Notes: OA-4 will mark the 60th launch of the Atlas V and the 30th launch in the 401 configuration.
