Launch recap: NASA-SpaceX ISS cargo resupply mission Tuesday from Cape Canaveral, Florida

Launch recap: Scroll down for live coverage of the Tuesday, Jan. 30, liftoff of a SpaceX Falcon 9 rocket from Cape Canaveral on a NASA resupply mission to the International Space Station.

Welcome to FLORIDA TODAY's Space Team live coverage of today's NASA-SpaceX International Space Station resupply launch from Cape Canaveral Space Force Station.

SpaceX crews are targeting an instantaneous liftoff at 12:07 p.m. EST to send a Falcon 9 rocket hurtling skyward from Launch Complex 40.

The Falcon 9 will propel an uncrewed Cygnus capsule packed with more than 8,200 pounds of supplies and equipment into orbit on Northrop Grumman's 20th NASA Commercial Resupply Services mission.

Expect local sonic booms. After soaring skyward along a northeastern trajectory, the rocket's first-stage booster will target landing at Cape Canaveral Space Force Station Landing Zone 1.

The weather forecast looks favorable — to the tune of 95% "go for launch" conditions, the Space Force's 45th Weather Squadron reported.

Countdown Timer

SpaceX Falcon 9 booster lands

Update 12:15 p.m.: The Falcon 9 first-stage booster just touched down at Cape Canaveral Space Force Station Landing Zone 1.

Liftoff!

Update 12:07 p.m.: SpaceX has just launched a Falcon 9 rocket carrying a Cygnus spacecraft on a NASA cargo resupply mission bound for the ISS.

SpaceX Falcon 9 countdown

Update 11:59 a.m.: Here's a rundown of upcoming milestones in the Falcon 9 countdown timeline:

• 7 minutes: Falcon 9 begins engine chill prior to launch.

• 1 minute: Command flight computer begins final prelaunch checks; propellant tank pressurization to flight pressure begins.

• 45 seconds: SpaceX launch director verifies “go” for launch.

• 3 seconds: Engine controller commands engine ignition sequence to start.

• 0 seconds: Liftoff.

SpaceX launch webcast begins

Update 11:52 a.m.: SpaceX's launch webcast hosted on X (formerly Twitter) is now posted at the top of this page.

Liftoff is scheduled in 15 minutes from Cape Canaveral Space Force Station.

SpaceX Falcon 9 fueling now underway

Update 11:48 a.m.: Billowing vapors indicate Falcon 9 rocket-fueling procedures are now underway at Launch Complex 40, though SpaceX has yet to make an official announcement.

SpaceX: All systems good for launch

Update 11:12 a.m.: SpaceX just announced: "All systems are looking good and weather is 95% favorable for liftoff."

Cape Canaveral: Expect sonic booms 

Update 10:57 a.m.: The Falcon 9 first-stage booster will mark its 10th flight with today's NG-20 mission, SpaceX reported.

The rocket booster previously launched Crew-5, GPS III Space Vehicle 06, Inmarsat I6-F2, CRS-28, Intelsat G-37 and four Starlink missions, SpaceX reported.

Monday, Cape Canaveral City Hall officials warned residents to brace for loud sonic booms as the descending booster targets landing at Cape Canaveral Space Force Station.

Cargo aboard the Cygnus spacecraft

Update 10:30 a.m.: NASA reported the Cygnus is carrying 3,017 pounds of science investigations, 2,493 pounds of vehicle hardware, 2,490 pounds of crew supplies, 149 pounds of computer resources and 35 pounds of spacewalk equipment.

Total mass: 8,214 pounds.

“Cargo mission preparations and space research kept the Expedition 70 and Axiom Mission 3 crews busy at the beginning of the week,” NASA Space Operations officials said in a Monday afternoon tweet.

“The 11 residents working together aboard the @Space_Station also continued their ongoing biomedical science and lab maintenance activities,” the tweet said.

Space Force: 95% ‘go’ weather

Update 10:04 a.m.: The Space Force’s 45^th Weather Squadron forecast cited cumulous clouds as the mission’s primary meteorological concern.

“Cloud cover is expected to remain mostly offshore over the warmer water, but some may creep in off the Atlantic,” the squadron’s forecast said.

“The primary, very slight weather concern for a launch attempt Tuesday will be the Cumulus Cloud Rule,” the forecast said.

Also noted by the squadron: a low to moderate risk of upper-level wind shear and solar activity.

Starlink 6-38: SpaceX Sunday Starlink launch sends Falcon 9 rocket booster from KSC on 18th flight

For the latest news from Cape Canaveral Space Force Station and NASA's Kennedy Space Center, visit floridatoday.com/space.

Rick Neale is a Space Reporter at FLORIDA TODAY (for more of his stories, click here.) Contact Neale at 321-242-3638 or [email protected]. Twitter/X: @RickNeale1

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This article originally appeared on Florida Today: Launch recap: NASA-SpaceX ISS resupply mission Tuesday from Cape