Science

It’s rolling! NASA’s Artemis 1 moon mission begins journey to the launch pad

CAPE CANAVERAL, Fla. — Watch it go! NASA’s Artemis 1 moon mission is on its way to the launch pad.

NASA’s iconic crawler-transporter 2 (CT-2, or “the crawler”) vehicle is on its way to Pad 39B here at NASA’s Kennedy Space Center (KSC), carrying the agency’s Space Launch System (SLS) megarocket and Orion spacecraft that will soon fly to the moon for the agency’s Artemis program.

At 5:47 pm EST (2147 GMT), with the big door of KSC’s enormous Vehicle Assembly Building (VAB) open, the crawler took its first “steps.”

With the 5.5-million-pound (2.5 million kilograms) SLS and the 50,000-pound (23,000 kg) Orion capsule aboard, the crawler has begun what’s expected to be an 11-hour journey. CT-2 and its cargo will travel roughly 4 miles (6.4 kilometers) to the launch pad, moving at about 0.8 mph (1.3 kph), with some stops along the way.

You can follow NASA’s live coverage of the rollout as it continues throughout the day and night. Find live coverage here at Space.com or tune in directly at NASA TV. NASA’s live coverage includes live commentary from guests, including NASA Administrator Bill Nelson.

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SLS and Orion will slowly crawl toward the launch pad, where they will arrive in the early predawn hours tomorrow (March 18).

Once at the pad, the mission team will spend a couple of hours raising the rocket and spacecraft up into launch position. Technicians will then spend the next few weeks going through pre-launch testing — most importantly, a “wet dress rehearsal,” which will practice many of the launch-day procedures, including fueling of the SLS — before rolling the rocket-capsule stack back to the GVA.

Today’s rollout is an exciting and critical step toward launching Artemis 1, the first mission of NASA’s Artemis program. The roughly four-week Artemis 1 is an uncrewed moon mission that will send Orion on a trip far out from Earth, thousands of thousands past the moon and then back to our home planet to test the space readiness and human spaceflight capabilities of both SLS and Orion.

Artemis 1 is currently set to launch no sooner than May. Between today’s rollout and launch, SLS and Orion will endure a variety of tests to ensure their launch readiness, and the mission team will practice the steps leading up to liftoff.

Artemis 1 will be followed by Artemis 2, a crewed mission around the moon, in 2024 and Artemis 3, NASA’s first planned moon landing since 1972, which is set for no earlier than 2025.

Email Chelsea Gohd at cgohd@ or follow her on Twitter @chelsea_gohd. Follow us on Twitter @Spacedotcom and on Facebook.

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