NASA Hauls Artemis II Moon Rocket to Launch Pad for February Flight
Historic Journey Begins
NASAโs Space Launch System (SLS) rocket, a towering 32 stories high and the most powerful operational booster in the world, completed its pivotal journey to launch pad 39B at the Kennedy Space Center in Florida on Saturday. This marks a significant step toward sending four astronauts on a lunar mission, slated for early February. The SLS, weighing 5.7 million pounds and supported by an upgraded Apollo-era crawler-transporter, made the 4-mile trip at a leisurely pace of just under 1 mile per hour, starting shortly after 7 a.m. local time.
Manned Mission Preparation
The SLS rocket carries NASAโs Orion crew capsule, positistartd atop the massive structure. If all goes according to plan, NASA aims to launch the rocket next month, embarking on a journey around the moon and back. Observers, including hundreds of space center workers, families, and guests, gathered along the crawlerway to witness the spectacular sight. Newly appointed NASA Administrator Jared Isaacman and the Artemis II crew-Cmdr. Reid Wiseman, Victor Glover, Christina Koch, and Canadian astronaut Jeremy Hansen-were also on-site, sharing their excitement over social media.
Unprecedented Strength and Capability
The SLS generates approximately 8.8 million pounds of thrust at liftoff, surpassing even NASAโs iconic Saturn V moon rocket in terms of power. While it has less than half the thrust of SpaceXโs Super Heavy-Starship, NASA has deemed the SLS ready for its next mission after a successful uncrewed flight in 2022. The SpaceX rocket remains in its testing phase, with no date set for a crewed launch.
Upcoming Tests and Timelines
The Artemis II crewโs mission plan includes testing their Orion capsule in Earth orbit before transitioning to a deep-space flight around the moon. During this mission, the astronauts will have the unique opportunity to observe the moonโs far side in greater detail. The rocketโs journey to launch pad 39B took approximately eight hours, initiating a series of critical tests ahead of a significant fueling event planned for February 2. This โwetโ dress rehearsal will involve pumping nearly 800,000 gallons of super cold liquid hydrogen and oxygen into the rocket.
Launch director Charlie Blackwell-Thompson explained that once the rocket is securely at the pad, teams will validate all systems and prepare for individual element power-ups. โWet dress is the big test at the pad,โ she noted, emphasizing its significance in the countdown to launch.
Challenges and Future Opportunities
The maiden flight of the SLS in 2022 faced several delays due to fuel loading issues and hydrogen leaks. In response, NASA has implemented various upgrades to mitigate these problems during the upcoming Artemis II mission. The launch window for the Artemis II mission is limited, with potential dates set for February 6, 7, 8, 10, and 11, due to favorable positioning of the Earth and moon. However, with the recent rollout occurring later than originally planned, only the last three dates currently appear viable.
Additionally, the upcoming launch of a replacement crew to the International Space Station could affect scheduling, particularly if conflicts arise. NASAโs flight controllers are working diligently to minimize any overlap of piloted spacecraft launches. Isaacman stated that no specific launch date will be announced until the successful completion of the wet dress rehearsal, but expressed confidence in the teamโs readiness.
As the countdown to the Artemis II mission continues, NASAโs achievements in returning humans to lunar exploration are on the horizon, promising a new era of space discovery.