Starlink 15-12

The Starlink 15-12 mission will add another 27 broadband internet satellites to SpaceX’s megaconstellation in low Earth orbit. Liftoff from pad 4E at Vandenberg Space Force Base is set for Dec. 13, during a window that opens at 9:20 p.m. PST (12:20 a.m. EST / 0520 UTC on Sunday, Dec. 14).