VIDEO: Previewing tomorrow's WorldView 4 launch from California atop Atlas 5 rocket https://t.co/FF5UuunZRE— Spaceflight Now (@SpaceflightNow) 11 de noviembre de 2016
(Lockheed Martin video) pic.twitter.com/IGsL1s6tf7
LRR: Countdown clocks will begin ticking in the middle-of-the-night Friday morning to ready an Atlas 5 rocket at America's western spaceport to launch a commercial Earth-imagery observatory.
The Launch Readiness Review today formally gave approval to proceed into countdown operations at Vandenberg Air Force Base in California to deploy the WorldView 4 satellite for DigitalGlobe.
Friday's liftoff is targeted for 10:30 a.m. local time (1:30 p.m. EST; 1830 GMT) at the opening of a 15-minute launch opportunity.
A live launch webcast can be viewed on this page.
Air Force meteorologists, as of this morning, now give 90 percent odds that the weather will allow the launch to occur. High pressure has been dominant over the region for the past several days, keeping a weather system to the northwest. At launch time Friday, the forecast calls for mostly clear skies with just some high-level cirrus, light south‐southeasterly winds of 5 to 8 knots and temperatures between 67 and 72 degrees F.
"Team V is thrilled to be launching again following the devastating wildfires we experienced in September. We are excited to launch the Atlas 5 WorldView 4 mission from Vandenberg's Western Range and are looking forward to a safe and successful mission," said Col. Chris Moss, 30th Space Wing commander at Vandenberg and the launch decision authority.
It will be the 12th Atlas 5 to fly from Vandenberg.
The launch countdown begins at 2:30 a.m. local time for the start of an eight-hour sequence to prepare the launch pad and rocket for flight.
This is United Launch Alliance's 112th flight, the 9th just this year, and the company's 19th for a commercial client.
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