NASA’s Crawler-transporter 2 moves toward the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Friday, Jan. 9, 2026. The crawler will transport NASA’s SLS (Space Launch System) rocket with the Orion spacecraft to Launch Complex 39B ahead of the Artemis II launch which will journey Commander Reid Wiseman, Pilot Victor Glover, and Mission Specialist Christina Koch from NASA, and Mission Specialist Jeremy Hansen from the CSA (Canadian Space Agency), around the Moon and back to Earth no later than April 2026.

The crawler-transporters have carried the load of taking rockets and spacecraft to the launch pad for more than 50 years at NASA’s Kennedy Space Center in Florida. Each the size of a baseball infield and powered by locomotive and large electrical power generator engines, the crawler-transporters stand ready to keep up the work for the next generation of launch vehicles to lift astronauts into space; Crawler-transporter 2 in particular is integral to the Artemis missions.

Image credit: NASA/Ben Smegelsky

For most, getting into a car is a task that can be done without assistance. Yet for those whose destination is the Moon, the process of getting inside and secured – in this case, in NASA’s Orion spacecraft – requires help. That’s the role of the Artemis closeout crew.

Trained to support Artemis II and future Moon missions, the five closeout crew members will be the last people to see NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen before their lunar journey.

The Artemis II closeout team consists of a lead, Taylor Hose; an astronaut support person, astronaut Andre Douglas; one technician specially trained on Orion crew survival system spacesuits, Bill Owens; and two Orion technicians, Christian Warriner and Ricky Ebaugh.

Think of them like a pit crew for car races.

When the astronauts arrive on launch day at Launch Complex 39B at NASA’s Kennedy Space Center in Florida, the closeout crew will already be in place. First, the team will help the astronauts don their helmets and gloves before entering the Orion spacecraft.

Once inside, Owens and Douglas will assist each crew member with buckling up – except instead of using just one seatbelt like in a car, the crew needs several more intricate connections. Each seat includes five straps to secure the astronauts inside the crew module and several additional connections to the environmental control and life support systems and communications system aboard.

After the astronauts are secured, the hatch technicians will begin closing the spacecraft hatch. Unlike a car door that easily opens and closes with the pull of a handle, Orion’s hatch requires more effort to securely close.

“The hatch is pneumatically driven so we have to have air lines hooked up to it, and we need the help of the ground support system to close it,” said Hose.

On launch day, it will take about four hours for the crew to get situated inside Orion and for the closeout process, including buttoning up both the crew module hatch and an exterior launch abort system hatch, to be complete. Even a single strand of hair inside the hatch doors could potentially pose issues with closing either hatch, so the process is carefully done.

“We have a lot of work to do with the seals alone – greasing, cleaning, taking the hatch cover off – and then we get into crew module hatch closure,” Hose said. “So after latching the hatch, we take window covers off, install thermal protection panels, and remove the purge barrier in between the vehicle and the ogive panels, which help protect the crew module during launch and ascent.”

The team then closes the launch abort system hatch and finishes final preparations before launch. Following the abort system hatch closure, the closeout crew departs the launch pad but stays nearby in case they need to return for any reason.

After launch, several team members will head to San Diego, to help with post-splashdown efforts once the mission concludes.

As part of a Golden Age of innovation and exploration, the Artemis II test flight is the first crewed flight under NASA’s Artemis campaign. It is another step toward new U.S.-crewed missions on the Moon’s surface that will help the agency prepare to send the first astronauts – Americans – to Mars.

NASA’s launch and mission teams, along with the Artemis II crew, completed a key test Dec. 20, a countdown demonstration test, ahead of the Artemis II flight around the Moon early next year. The astronauts, supported by launch and flight control teams, dressed in their launch and entry suits, boarded their spacecraft on top of its towering rocket at the agency’s Kennedy Space Center in Florida to validate their launch date timeline.

Winding the clock down to a point just before liftoff, the rehearsal enabled NASA teams to practice the exact steps teams will take as they move toward launch of the test flight.

While launch teams in the firing rooms of Kennedy’s Launch Control Center ran through procedures just as they would on launch day, the Artemis II crew members – NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen – donned their Orion crew survival system spacesuits in the Astronaut Crew Quarters inside Kennedy’s Neil A. Armstrong Operations and Checkout Building.

Once suited, the crew made the same walk taken by Gemini, Apollo, space shuttle, and Commercial Crew Program astronauts launching from Florida’s Space Coast during the last six decades. Through the suit-up room, down the hallway, and after a quick ride on an elevator, the Artemis II crew exited the building through the double doors featuring dozens of human spaceflight mission patch stickers.

The Artemis astronaut van waited outside to take the crew members to their SLS (Space Launch System) rocket. On the actual launch day, the four astronauts will complete a 20-minute ride to Kennedy’s Launch Complex 39B ahead of liftoff. But, for the countdown test the destination was High Bay 3 of Kennedy’s Vehicle Assembly Building, where the Artemis II Moon rocket is undergoing final processing and checkouts before rolling out to the launch pad. A convoy of support vehicles, as well as Artemis II backup crew members, NASA astronaut Andre Douglas and CSA astronaut Jenni Gibbons, escorted the crew to its destination.

After a short trip to the building, the flight crew rode the mobile launcher’s elevator up nearly 300 feet to the crew access arm and the White Room, the enclosed area where the crew enters the spacecraft. The closeout crew, whose job it is to ensure the flight crew enters the spacecraft without issue, helped the astronauts enter Orion, which they have named Integrity. The closeout team assisted the astronauts by strapping them into their seats and closed the hatch once all closeout operations were completed. With the crew secured in Orion, teams conducted suit leak and communications checks, just as they will on launch day.

Throughout the testing, teams ran through the final 5.5 hours of launch day procedures, completing the countdown test about 30 seconds before what will be the time of liftoff on launch day. As they may encounter on launch day, teams navigated through several real-time issues, including audio communications and environmental control and life support systems closeout activities during the test. All objectives were met, and the countdown demonstration provided a valuable opportunity to conduct operations in a day-of-launch configuration to minimize first-time learnings on launch day.

Although Artemis II teams have performed parts of the launch countdown testing previously, this test was the first full end-to-end rundown with the crew and Orion in the launch configuration. The crew will participate in additional countdown testing after the rocket arrives to the launchpad, focusing on emergency operations.

As part of a Golden Age of innovation and exploration, the Artemis II test flight is the first crewed mission under NASA’s Artemis campaign. It is another step toward new U.S.-crewed missions on the Moon’s surface that will help the agency prepare to land American astronauts on Mars.

Teams at NASA’s Kennedy Space Center in Florida spent 2025 preparing the launch vehicle and its powerhouse SLS (Space Launch System) rocket to launch four astronauts around the Moon for Artemis II in early 2026. The center also celebrated milestones by conducting science experiments at the International Space Station to studying the Sun’s solar wind impacts on Earth to traveling to Mars in hopes of one day exploring the Red Planet in person.

JANUARY
NASA Kennedy Marks New Chapter for Florida Space Industry 

Kennedy Space Center Director Janet Petro and charter members of the Florida University Space Research Consortium sign a memorandum of understanding in research and development to assist with missions and contribute to NASA’s Moon to Mars exploration approach. 

Firefly Launches Blue Ghost Mission One 

Firefly Aerospace launched Blue Ghost Mission One lunar lander with a suite of NASA scientific instruments on January 15, from Launch Complex 39A at NASA Kennedy. The lander and instruments landed March 2 on the Moon. 

FEBRUARY
Intuitive Machines Launches to the Moon

Intuitive Machines’ IM-2 Nova C lunar lander launched Feb. 26 from Launch Complex 39A, carrying NASA science and technology demonstrations to the Mons Mouton region of the Moon. IM-2 reached the surface of the Moon on March 6. 

MARCH
NASA’s SpaceX Crew-10 Launch

NASA astronauts Anne McClain and Nicole Ayers, JAXA (Japan Aerospace Exploration Agency) Takuya Onishi, and Roscosmos cosmonaut Kirill Peskov launched March 14 from Launch Complex 39A to the International Space Station for a five-month science mission. 

NASA’s SPHEREx, PUNCH Missions Launch 

A SpaceX Falcon 9 rocket launched on March 11, from Space Launch Complex 4 East at Vandenberg Space Force Base in California carrying NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer) and PUNCH (Polarimeter to Unify the Corona and Heliosphere) missions. NASA’s Launch Services Program, based at NASA Kennedy managed the launch service for SPHEREx.

NASA’s SpaceX Crew-9 Returns 

NASA astronauts Nick Hague, Suni Williams, and Butch Wilmore were greeted by dolphins and recovery teams after their SpaceX Dragon spacecraft splashed down on March 18, off the coast of Tallahassee, Florida following their long-duration mission at the International Space Station. 

NASA Causeway Bridge Opens 

The Florida Department of Transportation opened the westbound portion of the NASA Causeway Bridge on March 19, completing construction in both directions spanning the Indian River Lagoon and connecting NASA Kennedy and Cape Canaveral Space Force Station to the mainland. 

NASA Artemis Teams Complete URT-12 

Teams from NASA and the Department of War train during a week-long Underway Recovery Test-12 in March off the coast of California for Artemis II test flight crewmembers and the Orion spacecraft. The series of tests demonstrate and evaluate the processes, procedures, and hardware used in recovery operations for crewed lunar missions.

APRIL  
NASA’s SpaceX 32nd Commercial Resupply Mission 

A SpaceX Falcon 9 rocket and a Dragon spacecraft carrying nearly 6,700 pounds of scientific investigations, food, supplies, and equipment launched on April 21 from Launch Complex 39A to the International Space Station. 

JULY
Artemis III Begins Processing

NASA’s Artemis III SLS engine section and boat-tail made the journey from the Space Systems Processing Facility at NASA Kennedy to the spaceport’s Vehicle Assembly Building in July to complete integration and check-out testing. Beginning with the Artemis III hardware, NASA moved certain operations to NASA Kennedy to streamline the manufacturing process and enable simultaneous production operations of two core stages.

AUGUST 
NASA’s SpaceX Crew-11 Launches 

NASA astronauts Zena Cardman and Mike Fincke, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov launched aboard a SpaceX Dragon spacecraft and its Falcon 9 rocket on Aug. 1 from Launch Complex 39A bound for a long-duration mission to the International Space Station. 

NASA’s SpaceX Crew-10 Returns 

NASA astronauts Anne McClain and Nicole Ayers, JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi, and Roscosmos cosmonaut Kirill Peskov became the first Commercial Crew to splash down in the Pacific Ocean off the coast of California on Aug. 9, completing their nearly five-month mission at the orbiting outpost as part of the agency’s Commercial Crew Program. 

NASA’s SpaceX 33rd Commercial Resupply Mission 

A SpaceX Falcon 9 launched the company’s Dragon spacecraft carrying more than 5,000 pounds of food, crew supplies, science investigations, spacewalk equipment, and more to the space station on Aug. 24 from Launch Complex 39A. 

Orion Tested, Stacked With Hardware

Teams transported NASA’s Orion spacecraft from Kennedy’s Multi-Payload Processing Facility to the Launch Abort System Facility in August where crews integrated the 44-foot-tall launch abort system. The Orion spacecraft will send NASA astronauts Reid Wiseman, Victor Glover, Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen around the Moon for the Artemis II mission in early 2026. The launch abort system is designed to carry the crew to safety in the event of an emergency atop the SLS.

SEPTEMBER
NASA Launches IMAP Mission

NASA’s IMAP (Interstellar Mapping and Acceleration Probe) launched from Launch Complex 39A on Sept. 24, to help researchers better understand the boundary of the heliosphere, a huge bubble created by the Sun surrounding and protecting our solar system.

NASA’s Northrop Grumman Commercial Resupply Mission 

A Northrop Grumman Cygnus XL spacecraft atop a SpaceX Falcon 9 rocket lifted off from Launch Complex 39A to the International Space Station delivering NASA science investigations, supplies, and equipment as part of the agency’s partnership to resupply the orbiting laboratory.  

OCTOBER
Orion Integrated With SLS Rocket

Teams stacked NASA’s Orion spacecraft with its launch abort system on the agency’s SLS rocket in High Bay 3 of the Vehicle Assembly Building at NASA Kennedy on Oct. 20 for the agency’s Artemis II mission. Teams will begin conducting a series of verification tests ahead of rolling out the integrated SLS rocket to Launch Complex 39B for the wet dress rehearsal.

NOVEMBER
NASA’s ESCAPADE Begins Journey to Mars

NASA’s ESCAPADE (Escape and Plasma Acceleration and Dynamics Explorers) twin spacecraft launched aboard Blue Origin’s New Glenn rocket on Nov. 13 from Launch Complex 36 at Cape Canaveral Space Force Station. Its twin orbiters will take simultaneous observations from different locations around Mars to reveal how the solar wind interacts with Mars’ magnetic environment and how this interaction drives the planet’s atmospheric escape.

NASA, European Partners Launch Sea Satellite

A SpaceX Falcon 9 rocket carrying the U.S.-European Sentinel-6B satellite launched at Nov. 16 from Space Launch Complex 4 East at Vandenberg Space Force Base in California. Sentinel-6B will observe Earth’s ocean, measuring sea levels to improve weather forecasts and flood predictions, safeguard public safety, benefit commercial industry, and protect coastal infrastructure.

DECEMBER

NASA astronauts Reid Wiseman, Victor Glover, Christina Koch, and CSA astronaut Jeremy Hansen participated in a dry dress rehearsal at NASA Kennedy on Dec. 20 to mimic launch day operations for the Artemis II launch. The crew donned their spacesuits, exited the Neil A. Operations and Checkout Building, and took the journey to the Vehicle Assembly Building, up the mobile launcher to the crew access arm, and entered the Orion spacecraft that will take them around the Moon and back to Earth.

The four astronauts set to fly around the Moon during NASA’s Artemis II test flight depart the Neil A. Armstrong Operations and Checkout Building at the agency’s Kennedy Space Center in Florida, during a dress rehearsal for launch day on Dec. 20, 2025. From left are CSA (Canadian Space Agency) astronaut Jeremy Hansen, NASA astronauts Victor Glover, Reid Wiseman, and Christina Koch.

The launch day rehearsal, called a countdown demonstration test, simulated the launch day timeline, including the crew suiting up in their spacesuits and climbing in and out of their Orion spacecraft. Because the SLS (Space Launch System) rocket upon which they will launch is not yet at the launch pad, the crew boarded Orion inside Kennedy’s Vehicle Assembly Building, where engineers are conducting final preparations on the spacecraft, rocket, and ground systems.  

Through Artemis, NASA will send astronauts to explore the Moon for scientific discovery, economic benefits, and build the foundation for the first crewed missions to Mars.

Photo Credit: NASA/Jim Ross