UPDATE (10:46 a.m.) The launch lifted off at 10:38 a.m. as planned. A sonic boom was heard locally as the first-stage landed back at Vandenberg.
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UPDATE (10:30 a.m.) - SpaceX is set to lauch a Falcon 9 rocket from Vandenberg at 10:38 a.m. Monday. If the launch does not happen, a backup opportunity is available Tuesday beginning at 10:10 a.m.
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SpaceX is planning to launch a Falcon 9 rocket out of the Vandenberg Space Force Base Monday morning.
The rocket is scheduled to launch between 10:23 am and 11:23 am.
It will carry the NROL-48 Mission.
Following the launch, the first stage of the rocket will return to landing zone 4 for a back-to-base landing.
A sonic boom will be heard by people in Lompoc and the surrounding areas as the first stage returns to land.