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Orion

Overview

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. This bold endeavor began with the Artemis I mission, during which an uncrewed Orion traveled to a distant retrograde orbit around the Moon and returned to Earth after a 25-day period. A series of crewed missions will follow as NASA and its industry partners prepare for human missions to the vicinity of the Moon, and eventually to Mars.

Orion Sections
Image credit: NASA...

Key Features

1,000-Day Mission Capability: Orion provides maximum radiation protection for its crew, an advanced life support system, and a heat shield that withstands the extreme temperatures of re-entry into Earth's atmosphere.

Full Redundancy: Incorporated into the Orion spacecraft is backup capability for all major avionics and crew systems.

Safe Emergency Abort Capability: Orion has a rocket-powered escape system designed to whisk the crew to safety in the unlikely event of a launch vehicle failure.

OUR ROLE

Launch Abort System Jettison Motor: Orion is outfitted with a Launch Abort System (LAS) that will rapidly separate the crew capsule from the launch vehicle in the unlikely event of a catastrophic event during launch or ascent. L3Harris builds the jettison motor that provides approximately 40,000 pounds of thrust to separate the LAS from the crew module, enabling the capsule and crew to safely land under parachutes. During a nominal mission, the jettison motor activates after stage-two ignition to separate the LAS from the spacecraft as the crewmembers continue their journey. This critical task makes it the only motor on the LAS to fire on every mission.

Composite Overwrapped Pressure Vessels: After splashdown, Orion’s self-righting flotation system inflates five air bags with helium to maintain the capsule in an upright position, allowing the crew to safely exit the capsule through the hatch. The high-pressure helium is stored in five composite overwrapped pressure vessels (COPVs) produced by L3Harris’ subsidiary, ARDÉ. The Artemis I mission employed one nitrogen tank on Orion’s service module for cabin pressurization. Beginning with Artemis II, the first crewed Orion flight, ARDÉ is contracted to provide nitrogen and oxygen tanks for the spacecraft’s Environmental Control and Life Support System (ECLSS). Contracted through the fifth Artemis mission, these tanks will store the gasses needed to create a breathable atmosphere for astronauts in the crew module.

Latest News

Nancy Grace Roman Space Telescope launches from Florida

Press release | 08. 30. 2026

L3Harris Celebrates Successful Launch of NASA’s Nancy Grace Roman Space Telescope

L3Harris Technologies has contributed key elements to NASA’s successfully launched Nancy Grace Roman Space Telescope, an observatory designed to map the universe.

Nancy Grace Roman Space Telescope launches from Florida

Press release | 08. 30. 2026

L3Harris Celebrates Successful Launch of NASA’s Nancy Grace Roman Space Telescope

solid fueled ramjet propulsion test

Editorial | 08. 25. 2026

L3Harris Advances Solid-Fueled Ramjet Propulsion for Greater Reach and Faster Effects

Engineer inspects NASA's Nancy Grace Roman Space Telescope's primary mirror at the L3Harris facility in Rochester, New York. Credit: NASA

Editorial | 08. 24. 2026

L3Harris Technology Set to Help Unlock the Universe as NASA's Roman Space Telescope Nears Launch

Astronauts Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen, visit the L3Harris site in Los Angeles following successful completion of the Artemis II mission.

Editorial | 08. 19. 2026

From Around the Moon to Canoga Park: Artemis II Crew Visits L3Harris Following Historic Mission

Launched effects fly through a red sky

Editorial | 08. 12. 2026

Defeating Modern Threats with Capable, Affordable Munitions

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