@NASAKennedy
2026-04-02
RT @NASA: The Orion spacecraft successfully separated from the upper stage of the rocket, and the "proximity operations" test is underway.…
@NASAKennedy
2026-04-02
RT @NASA: LIVE: Artemis leaders are discussing the successful launch of NASA's Artemis II mission and the next steps for the astronauts hea…
@NASAKennedy
2026-04-01
RT @NASAArtemis: Moonbound.
The Artemis II mission lifted off from @NASAKennedy's Launch Complex 39B today at 6:35pm ET (2235 UTC). https:…
@NASAKennedy
2026-04-01
@NASA @NASAArtemis NASA’s Artemis II rocket, with the Orion spacecraft atop carrying NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with Canadian Space Agency astronaut Jeremy Hansen, lifted off from Kennedy Space Center’s Launch Complex 39B in Florida at 6:35 p.m. EDT to
@NASAKennedy
2026-04-01
RT @NASA: Liftoff.
The Artemis II mission launched from @NASAKennedy at 6:35pm ET (2235 UTC), propelling four astronauts on a journey arou…
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 6:25 p.m. ET - The Artemis II countdown has entered terminal count, and the ground launch sequencer has taken control, orchestrating a precise series of automated commands to prepare the rocket and Orion spacecraft for liftoff at a T-0 time of 6:35 p.m. EDT.
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 6:19 p.m. ET - The launch team has made the decision to extend the T-10 minute hold ahead of today’s launch to give engineers time to work through final preparations for liftoff. https://t.co/CEGJngOsEt
@NASAKennedy
2026-04-01
@Kenny_J_Miller @NASA @NASAArtemis Engineers investigated a sensor on the launch abort system’s attitude control motor controller battery that showed a higher temperature than would be expected. It is believed to be an instrumentation issue and will not affect today’s launch.
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 5:57 p.m. - The closeout crew has left the launch pad. The spacecraft is now fully configured, and responsibility shifts to the launch control team for the final countdown.
@NASAKennedy
2026-04-01
@NASA @NASAArtemis Once the Artemis II rocket launches, here is where you might be able to view it. https://t.co/vzhuZCx3n0
@NASAKennedy
2026-04-01
@NASA @NASAArtemis Technicians have completed the launch abort system hatch closure and crew module hatch closure.
@NASAKennedy
2026-04-01
RT @NASA: The hatch is now closed.
The Artemis II astronauts are now strapped into their seats and ready for launch. https://t.co/NWSjgkle…
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 4:02 p.m. ET - Technicians began installing the crew module hatch service panel on the Orion spacecraft, an important step in final launch preparations. This panel protects key connections and ensures the hatch area is secure for flight.
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 3:39 p.m. ET - NASA engineers have conducted counterbalance mechanism operations and are now performing hatch seal pressure decay checks inside the White Room at Launch Complex 39B. https://t.co/CEGJngOsEt
@NASAKennedy
2026-04-01
@NASA @NASAArtemis NASA’s Artemis II crew members are inside the agency’s Orion spacecraft conducting communication checks to confirm voice links with mission control and onboard systems.
@NASAKennedy
2026-04-01
RT @NASAAdmin: The Artemis II crew is boarding Orion.
Reid, Victor, Christina, and Jeremy are taking their seats atop the most powerful m…
@NASAKennedy
2026-04-01
RT @NASAArtemis: Who would YOU take with you on a mission around the Moon? Let us know using #NASAMoonCrew! 🤩
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 2:14 p.m. ET - The Artemis II crew arrived at Launch Complex 39B. Watch our live launch broadcast for minute by minute updates. https://t.co/CEGJngOsEt
@NASAKennedy
2026-04-01
@NASA @NASAArtemis The Artemis II crew is on their way to Launch Complex 39B to board the Orion spacecraft to travel around the Moon. The two-hour launch window opens at 6:24 p.m. EDT from Launch Complex 39B at NASA Kennedy. https://t.co/1onduO3k7G
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 1:36 p.m. ET - NASA’s pad rescue and closeout crew teams arrived at Launch Complex 39B at NASA Kennedy to ensure safety during the critical fueling operations. The teams help protect personnel and hardware throughout the countdown.
@NASAKennedy
2026-04-01
@NASA @NASAArtemis NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with CSA (Canadian Space Agency) astronaut Jeremy Hansen, are suiting up inside the Astronaut Crew Quarters of the Neil A. Armstrong Operations and Checkout Building. https://t.co/1onduO3k7G
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 12:51 p.m. ET - All cryogenic stages of the Space Launch System rocket have transitioned to replenish mode during the Artemis II launch countdown. The countdown enters a planned 1-hour and 10-minute hold.
@NASAKennedy
2026-04-01
@NASA @NASAArtemis Our live NASA launch broadcast coverage has begun. The two hour liftoff window is from 6:24-8:24p.m. ET: Watch here: https://t.co/wWJ8NX1pdo
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 12:40 p.m. ET - Weather officials with NASA and the U.S. Space Force’s Space Launch Delta 45 are tracking 80% favorable conditions during the launch window, with primary concerns being the cumulus cloud rule, flight through precipitation rule, and ground winds.
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 12:23 p.m. ET - Liquid oxygen fast fill is now complete for the Space Launch System upper stage, marking another major milestone in tanking operations. Teams have confirmed the upper stage is in good shape and are proceeding with the vent and relief test.
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 12:03 p.m. ET - Liquid oxygen levels in the rocket core stage are in replenish mode. This phase follows the completion of liquid oxygen fast fill and topping, ensuring the oxidizer remains at flight-ready levels throughout the final countdown.
@NASAKennedy
2026-04-01
RT @NASA: Today's the day.
Fueling of the Artemis II Moon rocket is underway.
Full coverage of the crewed lunar mission begins at 12:50…
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 11:42 a.m. ET - Fast fill of liquid oxygen begins into the interim cryogenic propulsion stage of the rocket's upper stage.
@NASAKennedy
2026-04-01
@chrispafc02 @NASA @NASAArtemis It's a 2-hour launch window from 6:24-8:24 p.m. ET
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 11:15 a.m. ET - The interim cryogenic propulsion stage liquid hydrogen tank has transitioned to replenish mode during the Artemis II countdown. Live updates: https://t.co/1onduO3k7G
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 11:09 a.m. ET - Topping phase begins for the interim cryogenic propulsion stage liquid hydrogen tank. This critical step occurs after chilldown and vent-and-relief checks, ensuring the tank reaches full capacity with super-cold liquid hydrogen.
@NASAKennedy
2026-04-01
@daverichards5 @NASA @NASAArtemis 2:24 p.m. UTC
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 10:35 https://t.co/lzcDCNygvH - Liquid hydrogen replenish is underway for the rocket core stage. Replenish is the final step in the fueling process, designed to maintain the correct liquid hydrogen levels as the super-cold propellant naturally boils off over time.
@NASAKennedy
2026-04-01
@LisaMarie10369 @NASA Our launch broadcast begins at 12:50 p.m. ET. We will stream is live on NASA's YouTube channel - https://t.co/DfChxQRmAR
@NASAKennedy
2026-04-01
@NASA @NASAArtemis Here is our tanking broadcast if you would like to follow along: https://t.co/l5PjiX7dnc
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 10:24 a.m. ET - Liquid hydrogen topping begins for the SLS rocket. Small amounts of liquid hydrogen are added to the tanks after fast fill is complete to ensure the tanks remain at full capacity as the super-cold propellant naturally boils off.
@NASAKennedy
2026-04-01
@NHCabin2008 @NASAArtemis Here you go - https://t.co/DfChxQRmAR
@NASAKennedy
2026-04-01
@Chesschick01 @NASA @NASAArtemis They're on a sleep shifting schedule to train for the launch and their 10-day mission around the Moon.
@NASAKennedy
2026-04-01
@tooldesigner68 @NASAArtemis The Artemis II test flight is the first crewed flight under NASA’s Artemis campaign. It will help confirm systems and hardware needed to keep our astronauts safe.
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 9:52 am ET - Fast fill of liquid hydrogen (LH2) for the interim cryogenic propulsion stage is underway.
After completing the chilldown phase, this step rapidly loads super-cold LH2 into the upper stage tanks, ensuring the upper stage is fueled and ready to perform its
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 9:35 a.m. ET - The liquid hydrogen chilldown for the interim cryogenic propulsion stage, or the rocket's upper stage has begun. The chilldown prevents thermal shock and ensure the stage is properly conditioned for full propellant loading.
@NASAKennedy
2026-04-01
@NASA @NASAArtemis We are posting updates about each launch milestone on our Artemis blog: https://t.co/1onduO3k7G
@NASAKennedy
2026-04-01
@NASA @NASAArtemis 9:25 am ET - NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with CSA (Canadian Space Agency) astronaut Jeremy Hansen just woke up and the launch team is conducting a countdown status check.
@NASAKennedy
2026-04-01
@thereismotion @NASA @NASAArtemis We're posting in real time as soon as the milestones happen :)
@NASAKennedy
2026-04-01
@DrowsyGN @NASA @NASAArtemis Here is Rise https://t.co/QQC93zZSWb
@NASAKennedy
2026-04-01
@DutchSpace @NASA @NASAArtemis We soon will
@NASAKennedy
2026-04-01
@NewDevzzz @NASA @NASAArtemis The rocket is the Space Launch System rocket. Integrity is the name of the Orion spacecraft which will house the four Artemis II astronauts
@NASAKennedy
2026-04-01
@PunkCatx @NASA @NASAArtemis No rocket frog, but Rise is :) The zero gravity indicator was inspired by the iconic Earthrise moment from the Apollo 8 mission. A zero gravity indicator is a small plush item that typically rides with a crew to visually indicate when they are in space. https://t.co/xQc4zxVDLz
@NASAKennedy
2026-04-01
@TeddyxROO @NASA @NASAArtemis Rise is stowed away in the Orion spacecraft, but here is what Rise looks like. https://t.co/ZobANhYm2r
@NASAKennedy
2026-04-01
@AndreaParro6 @NASAArtemis @NASA Titusville is a good spot to watch the launch, but it's going to be crowded everywhere
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