Over on twitter, SpaceX has just announced that the Falcon 9 rocket carrying the SSO-A mission has gone fully vertical as of last night. The weater and conditions remain acceptable for todays launch window at 18:32 UTC.
Falcon 9 and Spaceflight SSO-A: SmallSat Express went vertical last night on SpaceX’s California launch pad at Vandenberg Air Force Base. Vehicle and weather are go ahead of today’s launch window, which opens at 10:32 a.m. PST, 18:32 UTC → https://t.co/gtC39uBC7z pic.twitter.com/JCWvVfNpJD
— SpaceX (@SpaceX) December 3, 2018