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By European Space Agency
Week in images: 17-21 February 2025
Discover our week through the lens
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By NASA
The Crew Health and Performance Exploration Analog (CHAPEA) team hosts a Media Day at NASA’s Johnson Space Center in Houston on April 11, 2023.Credit: NASA Media are invited to visit NASA’s simulated Mars habitat on Monday, March 10, at the agency’s Johnson Space Center in Houston. The simulation will help prepare humanity for future missions to the Red Planet.
This is the second of three missions as part of NASA’s CHAPEA (Crew Health and Performance Exploration Analog), set to begin in May 2025 when volunteer crew members enter the 3D printed habitat to live and work for a year.
During the mission, crew members will carry out different types of mission activities, including simulated “marswalks,” robotic operations, habitat maintenance, personal hygiene, exercise, and crop growth. Crew also will face planned environmental stressors such as resource limitations, isolation, and equipment failure.
The in-person media event includes an opportunity to speak with subject matter experts and capture b-roll and photos inside the habitat. Crew members will arrive for training at a later date and will not be available at this event.
To attend the event, U.S. media must request accreditation by 5 p.m. CDT Monday, March 3, and international media by 5 p.m., Monday, Feb. 24, via the NASA Johnson newsroom at: 281-483-5111 or jsccommu@nasa.gov. Media accreditation will be limited due to limited space inside the habitat. Confirmed media will receive additional details on how to participate.
For more information about CHAPEA, visit:
https://www.nasa.gov/humans-in-space/chapea
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Cindy Anderson / James Gannon
Headquarters, Washington
202-358-1600
cindy.anderson@nasa.gov / james.h.gannon@nasa.gov
Kelsey Spivey
Johnson Space Center, Houston
281-483-5111
kelsey.m.spivey@nasa.gov
Victoria Segovia
Johnson Space Center, Houston
281-483-5111
victoria.segovia@nasa.gov
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Last Updated Feb 20, 2025 LocationNASA Headquarters Related Terms
Humans in Space Analog Field Testing Crew Health and Performance Exploration Analog (CHAPEA) Johnson Space Center View the full article
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA marked a key milestone Feb. 18 with installation of RS-25 engine No. E20001, the first new production engine to help power the SLS (Space Launch System) rocket on future Artemis missions to the Moon.
The engine, built by lead SLS engines contractor L3Harris (formerly Aerojet Rocketdyne), was installed on the Fred Haise Test Stand in preparation for acceptance testing next month. It represents the first of 24 new flight engines being built for missions, beginning with Artemis V.
Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18.NASA/Danny Nowlin The NASA Stennis test team will conduct a full-duration, 500-second hot fire, providing critical performance data to certify the engine for use on a future mission. During missions to the Moon, RS-25 engines fire for about 500 seconds and up to the 111% power level to help launch SLS, with the Orion spacecraft, into orbit.
The engine arrived at the test stand from the L3Harris Engine Assembly Facility on the engine transport trailer before being lifted onto the vertical engine installer (VEI) on the west side deck. After rolling the engine into the stand, the team used the VEI to raise and secure it in place.
The upcoming acceptance test follows two certification test series that helped verify the new engine production process and components meet all performance requirements. Four RS-25 engines help launch SLS, producing up to 2 million pounds of combined thrust.
All RS-25 engines for Artemis missions are tested and proven flightworthy at NASA Stennis prior to use. RS-25 tests are conducted by a team of operators from NASA, L3Harris, and Syncom Space Services, prime contractor for site facilities and operations.
Explore More NASA Stennis Images View the full article
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