Live coverage: Fire detectors, military tech demos, 3D printers among SpaceX rideshare payloads launching on midnight Falcon 9 flight

SpaceX will launch a series of 81 payloads to a Sun-synchronous Earth orbit over a roughly 2.5-hour-long deployment period. Liftoff from pad 4E at Vandenberg Space Force Base is scheduled during a 95-minute window that opens at 12:10 a.m. PDT (0310 EDT / 0710 UTC).