[Launch Alert] Thursday Launch
Launch Alert
launch-alert at mailman.qth.net
Wed Dec 3 20:45:31 EST 2025
The following is an advisory from Vandenberg SFB:
"Vandenberg Space Force Base Guardians and Airmen are scheduled to support the launch of a SpaceX Falcon 9 rocket carrying 28 Starlink satellites into low-Earth orbit, Thursday, December 4th, between 10:12 a.m. and 2:12 p.m. from Space Launch Complex 4 East (SLC-4).
A live webcast of this mission will begin about five minutes prior to liftoff, which you can watch at https://www.spacex.com/launches/sl-11-25 and on X @SpaceX. You can also watch the webcast on the X TV app.
Following stage separation, the first stage will land on the Of Course I Still Love You droneship, which will be stationed in the Pacific Ocean.
This launch supports Department of War communications through advanced low-Earth orbit technology.
Based on Vandenberg SFB's updated audibility modeling, residents of Montecito, Carpinteria, Ojai, and Ventura may hear a sonic boom approximately 8-10 minutes after launch, with the greatest likelihood of audibility in the Montecito, Carpinteria, and Ojai areas.
Areas local to Vandenberg SFB will hear the initial low rumble of take-off.
Vandenberg SFB continues to provide safe and reliable access to space in support of national security and homeland defense"
Weather permitting, the launch could be visible to the unaided eye from as far away as 100 statute miles.
For countdown status and video feeds of the launch, go to:
https://spaceflightnow.com
https://www.spacex.com/launches/sl-11-25
https://x.com/SpaceX
This information is subject to change.
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