Live FLORIDA TODAY Space Team coverage: Starts 90 minutes before liftoff at floridatoday.com/space. Check out FLORIDA TODAY's SpaceX photo gallery Update 4:10 a.m.: Here is a gallery of images by FLORIDA TODAY Photographer/Videographer Craig Bailey and Senior Photographer Malcolm Denemark chronicling the Starlink 10-23 mission from a couple of hours ago. ULA CEO: 'Mighty Atlas is champing at the bit' Update 4 a.m.: ULA President and CEO Tory Bruno shared a brief mission update on X: "Mighty Atlas is champing at the bit." Crews are kicking off preparatory steps for fueling on schedule, ULA announced. SpaceX confirms Starlink satellite deployment Update 3:50 a.m.: SpaceX officials confirmed that the 27 Starlink satellites did deploy into low-Earth orbit after a successful liftoff. Atlas V launch countdown still on track Update 3:38 a.m.: ULA crews are tracking no issues in the countdown, and activities are proceeding per the scheduled timeline. "Final preps are underway to begin cryogenic propellant loading operations for the Atlas-Centaur launch vehicle. The two stages will be filled with 66,000 gallons of liquid oxygen and liquid hydrogen once the countdown resumes," a 3:30 a.m. live update said. "The launch pad crew recently completed its hands-on work to ready Space Launch Complex-41 for today's mission and Launch Conductor Dillon Rice gave the instruction for personnel to depart the site in advance of fueling operations," the update said. ULA: Amazon satellite launch updates start at 3:30 a.m. Update 2:19 a.m.: Looking ahead, ULA will begin issuing Atlas V live updates in earnest at 3:30 a.m., per the company's mission coverage schedule. Just less than an hour ago, ULA reported "the Atlas V rocket is undergoing its guidance system test, the flight control steering check of the engine nozzle gimbaling is underway and the flame bucket cover is being retracted." SpaceX Falcon 9 booster lands on drone ship Update 2:06 a.m.: The Falcon 9 first-stage booster just landed aboard SpaceX's drone ship A Shortfall of Gravitas in the Atlantic Ocean, completing its 25th mission. Liftoff! Update 1:58 a.m.: Liftoff! SpaceX has just launched the Falcon 9 carrying 27 Starlink satellites from Cape Canaveral Space Force Station. SpaceX rocket launch webcast begins Update 1:52 a.m.: SpaceX's launch webcast is now posted here. Liftoff is scheduled in six minutes from Cape Canaveral Space Force Station. ULA Amazon satellite launch forecast: 85% favorable Update 1:45 a.m.: Switching missions, ULA reported the odds of favorable weather for the upcoming 6:54 a.m. Atlas V launch have increased from 80% to 85% "with only a small threat of a coastal shower." "The outlook for launch time calls for scattered clouds, a chance of an isolated shower, good visibility, southerly winds of 10-15 knots and a temperature near 78 degrees F," a ULA live update said. All systems remain "go" for ULA's launch. Fair skies at Cape Canaveral before launch Update 1:35 a.m.: As of 12:55 a.m., the most recent observation available, the National Weather Service reported fair skies with 10-mile visibility at Cape Canaveral Space Force Station. The temperature clocked in at a pleasant 76 degrees, with a northeasterly breeze of 3 mph.