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10 Years Ago: Orion Flies its First Mission

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A new American human-rated spacecraft made its first foray into space on Dec. 5, 2014. Under contract to NASA, Lockheed Martin builds Orion as the vehicle to take American astronauts back to the Moon and eventually beyond. Orion’s overall shape harkens back to the Apollo Command and Service Modules, but using today’s technology is a larger and far more capable vehicle for NASA’s Artemis Program.

Orion’s first mission, called Engineering Flight Test-1 (EFT-1), used a Delta-IV Heavy booster, at the time the most powerful operational rocket. The 4.5-hour mission demonstrated Orion’s space-worthiness, tested the spacecraft’s heat shield during reentry into the Earth’s atmosphere, and proved the capsule’s recovery systems. Although the EFT-1 mission didn’t include a crew, the Orion capsule flew higher and faster than any human-rated spacecraft in more than 40 years.

A spacecraft is launching from a launch pad. Fire and smoke billows around the rocket as it lifts into the air.
The United Launch Alliance Delta IV Heavy rocket with NASA’s Orion spacecraft mounted atop, lifts off from Cape Canaveral Air Force Station’s Space Launch Complex 37B in Florida.
NASA/Bill Ingalls

At 7:05 a.m. EST on Dec. 5, 2014, the three-core first stage of the Delta-IV Heavy rocket ignited, lifting the Orion spacecraft off from Launch Complex 37B at Cape Canaveral Air Force, now Space Force, Station (CCAFS) in Florida to begin the EFT-1 mission. Three minutes and fifty-eight seconds after liftoff, the two side boosters separated as the center core continued firing for another 93 seconds. The second stage ignited thirteen seconds after separation to begin the first of three planned burns. During the first burn, the Service Module’s protective fairing separated, followed by the Launch Abort System. Lasting about 11 and a half minutes, this first burn of the second stage placed the spacecraft into a preliminary 115-by-552-mile parking orbit. While completing one revolution around the Earth, controllers in Mission Control at NASA’s Johnson Space Center in Houston, led by Flight Director Michael L. Sarafin, verified the functioning of the spacecraft’s systems. The second stage ignited a second time, firing for 4 minutes and 42 seconds to raise Orion’s apogee or high point above the Earth to 3,600 miles. During the coast to apogee, Orion remained attached to the second stage and completed its first crossing through the inner Van Allen radiation belt.

A group of employees sit around individual monitors in an office. The office has a large screen on the far wall with images projected on it. The screen shows a map of the earth. The employees are all focused.
Mission Control at NASA’s Johnson Space Center in Houston, Texas during the EFT-1 mission.
NASA/Mark Sowa

Three hours and five minutes after launch, Orion reached its apogee and began its descent back toward Earth, separating from the second stage about 18 minutes later. The second stage conducted a one-minute disposal burn to ensure it didn’t interfere with the spacecraft’s trajectory. During the passage back through the Van Allen belt, Orion fired its thrusters for 10 seconds to adjust its course for reentry. At an altitude of 400,000 feet, the spacecraft encountered the first tendrils of the Earth’s atmosphere at a point called Entry Interface, traveling at 20,000 miles per hour (mph). A buildup of ionized gases caused by the reentry heating resulted in a communications blackout with Orion for about two and a half minutes. The spacecraft experienced maximum heating of about 4,000 degrees Fahrenheit, proving the worthiness of the heat shield. After release of Orion’s forward bay cover, two drogue parachutes deployed to slow and stabilize the spacecraft. Next followed deployment of the three main parachutes that slowed the spacecraft to 20 mph. Splashdown occurred 4 hours and 24 minutes after launch about 600 miles southwest of San Diego, California. A video of the Orion EFT-1 mission can be viewed here.

A white spacecraft in the shape of a capsule is hanging from two large parachutes that are red and white in color. The spacecraft is about to splash into the blue ocean.
Crew module splashing down during EFT-1 in the Pacific ocean.
NASA

Standing by to recover the Orion capsule, U.S. Navy Divers assigned to Explosive Ordnance Disposal Mobile Unit 11 and Fleet Combat Camera Pacific and crew members from amphibious transport dock U.S.S. Anchorage (LPD-23) stepped into action, first placing a flotation collar around the spacecraft. After securing a tow line to the capsule, the sailors towed it aboard the amphibious well deck of Anchorage, which set sail for Naval Base San Diego arriving there on Dec 8. Engineers from NASA and Lockheed Martin conducted a preliminary inspection of the spacecraft during the cruise to San Diego and found that it survived its trip into space in excellent condition.

People in a high-speed boat are approaching a grey spacecraft shaped like a capsule that is on the water. The capsule has an American flag on it and inflated orange balloons on the top. Two other smaller boats are behind the first boat on standby. The boats are there to help the crew in the grey capsule exit the spacecraft.
U.S. Navy divers approach the Orion capsule during recovery operations.
U.S. Navy

The Orion EFT-1 mission met all its objectives and received many accolades. “Today was a great day for America,” said Flight Director Sarafin from his console at Mission Control. “It is hard to have a better day than today,” said Mark S. Geyer, Orion program manager. “We’re already working on the next capsule,” said W. Michael “Mike” Hawes, Lockheed Martin’s Orion program manager, adding, “We’ll learn a tremendous amount from what we did today.” NASA Associate Administrator for Human Exploration and Operations William H. Gerstenmaier praised all personnel involved with the EFT-1 mission, “What a tremendous team effort.” NASA Administrator Charles F. Bolden summarized his thoughts about the mission, “Today’s flight test of Orion is a huge step for NASA and a really critical part of our work to pioneer deep space.”

A group of people are standing around the weathered Orion capsule sitting on top of a white structure in a large hangar. A wide opening is at the mouth of the hangar where the group of people are standing.
Former NASA Administrator Charles F. Bolden inspects Orion EFT-1 capsule at NASA’s Kennedy Space Center in Florida.
NASA

After its arrival at Naval Base San Diego, workers placed the Orion capsule aboard a truck that delivered it to NASA’s Kennedy Space Center (KSC) in Florida on Dec. 18. After engineers conducted a thorough inspection of the spacecraft at KSC, workers trucked it to the Lockheed Martin facility in Littleton, Colorado, where it arrived on Sept. 1, 2015. Engineers completed final inspections and decontamination of the vehicle. The KSC Visitor Complex has the capsule on display.

The white Orion capsule with the red NASA logo floats in space against a black background. The Moon and Earth are in the background to the right of the capsule. The Earth is smaller than the Moon. The Moon sits to the left of the Earth.
The Orion capsule during the Artemis I mission, with the Moon and Earth in the background.
NASA

The next time an Orion spacecraft flew in space during the Artemis I mission, the Space Launch System (SLS) carried it into orbit after launch from KSC’s Launch Complex 39B. The thunderous night launch took place on Nov. 16, 2022. The first in a series of increasingly complex missions, Artemis I provided a foundation for human deep space exploration and demonstrated our commitment and capability to extend human existence to the Moon and beyond. The uncrewed Orion spacecraft spent 25.5 days in space, including 6 days in a retrograde orbit around the Moon, concluding with a splashdown in the Pacific Ocean on Dec. 11, exactly 50 years after the Apollo 17 Moon landing.

Four crew members in blue jumpsuits are standing next to each other in front of the Orion capsule.
The Artemis II crew poses in front of the Orion capsule at NASA’s Kennedy Space Center in Florida.
NASA/Kim Shiflett

On April 3, 2023, NASA named the four-person crew for the Artemis II mission, the first flight to take humans beyond low Earth orbit since Apollo 17 in December 1972. The crew includes NASA astronauts G. Reid Wiseman as commander, Victor J. Glover as pilot, and Christina H. Koch as a mission specialist as well as Canadian Space Agency astronaut Jeremy R. Hansen as the other mission specialist. The four will take an Orion spacecraft on a 10-day journey around the Moon to human rate the spacecraft and SLS.

Interested in learning more about the Artemis Program? Go to https://www.nasa.gov/humans-in-space/artemis/

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