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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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By European Space Agency
The second of the Meteosat Third Generation (MTG) satellites and the first instrument for the Copernicus Sentinel-4 mission are fully integrated and, having completed their functional and environmental tests, they are now ready to embark on their journey to the US for launch this summer.
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By NASA
Official crew portrait for NASA’s SpaceX Crew-10 mission with NASA astronauts Anne McClain and Nichole Ayers, JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi, and Roscosmos cosmonaut Kirill Peskov.Credit: NASA NASA and its partners will discuss the upcoming Expedition 73 mission aboard the International Space Station during a pair of news conferences on Monday, Feb. 24, from the agency’s Johnson Space Center in Houston.
Mission leadership will participate in an overview news conference at 2 p.m. EST live on NASA+, covering preparations for NASA’s SpaceX Crew-10 launch in March and the agency’s crew member rotation launch on Soyuz in April. Learn how to watch NASA content through a variety of platforms, including social media.
NASA also will host a crew news conference at 4 p.m. and provide coverage on NASA+, followed by individual crew member interviews beginning at 5 p.m. This is the final media opportunity with Crew-10 before the crew members travel to NASA’s Kennedy Space Center in Florida for launch.
The Crew-10 mission, targeted to launch Wednesday, March 12, will carry NASA astronauts Anne McClain and Nichole Ayers, JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi, and Roscosmos cosmonaut Kirill Peskov to the orbiting laboratory.
NASA astronaut Jonny Kim, scheduled to launch to the space station on the Soyuz MS-27 spacecraft no earlier than April 8, also will participate in the crew briefing and interviews. Kim will be available again on Tuesday, March 18, for limited virtual interviews prior to launch. NASA will provide additional details on that opportunity when available.
For the Crew-10 mission, a SpaceX Falcon 9 rocket and Dragon spacecraft will launch from Launch Complex 39A at NASA Kennedy. The three-person crew of Soyuz MS-27, including Kim and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky, will launch from the Baikonur Cosmodrome in Kazakhstan.
United States-based media seeking to attend in person must contact the NASA Johnson newsroom no later than 5 p.m. on Friday, Feb. 21, at 281-483-5111 or at jsccommu@mail.nasa.gov. U.S. and international media interested in participating by phone must contact NASA Johnson by 9:45 a.m. the day of the event.
U.S. and international media seeking remote interviews with the crew must submit requests to the NASA Johnson newsroom by 5 p.m. on Feb. 21. A copy of NASA’s media accreditation policy is available online.
Briefing participants include (all times Eastern and subject to change based on real-time operations):
2 p.m.: Expedition 73 Overview News Conference
Ken Bowersox, associate administrator, Space Operations Mission Directorate at NASA Headquarters in Washington Steve Stich, manager, NASA’s Commercial Crew Program, NASA Kennedy Bill Spetch, operations integration manager, NASA’s International Space Station Program, NASA Johnson William Gerstenmaier, vice president, Build & Flight Reliability, SpaceX Mayumi Matsuura, vice president and director general, Human Spaceflight Technology Directorate, JAXA 4 p.m.: Expedition 73 Crew News Conference
Jonny Kim, Soyuz MS-27 flight engineer, NASA Anne McClain, Crew-10 spacecraft commander, NASA Nichole Ayers, Crew-10 pilot, NASA Takuya Onishi, Crew-10 mission specialist, JAXA Kirill Peskov, Crew-10 mission specialist, Roscosmos 5 p.m.: Crew Individual Interview Opportunities
Crew-10 members and Kim available for a limited number of interviews Official portrait of NASA astronaut Jonny Kim, who will serve as a flight engineer during Expedition 73.Credit: NASA Kim is making his first spaceflight after selection as part of the 2017 NASA astronaut class. A native of Los Angeles, Kim is a U.S. Navy lieutenant commander and dual designated naval aviator and flight surgeon. Kim also served as an enlisted Navy SEAL. He holds a bachelor’s degree in Mathematics from the University of San Diego and a medical degree from Harvard Medical School in Boston. He completed his internship with the Harvard Affiliated Emergency Medicine Residency at Massachusetts General Hospital and Brigham and Women’s Hospital. After completing the initial astronaut candidate training, Kim supported mission and crew operations in various roles, including the Expedition 65 lead operations officer, T-38 operations liaison, and space station capcom chief engineer. Follow @jonnykimusa on X and @jonnykimusa on Instagram.
Selected by NASA as an astronaut in 2013, this will be McClain’s second spaceflight. A colonel in the U.S. Army, she earned her bachelor’s degree in Mechanical Engineering from the U.S. Military Academy at West Point, New York, and holds master’s degrees in Aerospace Engineering, International Security, and Strategic Studies. The Spokane, Washington, native was an instructor pilot in the OH-58D Kiowa Warrior helicopter and is a graduate of the U.S. Naval Test Pilot School in Patuxent River, Maryland. McClain has more than 2,300 flight hours in 24 rotary and fixed-wing aircraft, including more than 800 in combat, and was a member of the U.S. Women’s National Rugby Team. On her first spaceflight, McClain spent 204 days as a flight engineer during Expeditions 58 and 59, and completed two spacewalks, totaling 13 hours and 8 minutes. Since then, she has served in various roles, including branch chief and space station assistant to the chief of NASA’s Astronaut Office. Follow @astroannimal on X and @astro_annimal on Instagram.
The Crew-10 mission will be the first spaceflight for Ayers, who was selected as a NASA astronaut in 2021. Ayers is a major in the U.S. Air Force and the first member of NASA’s 2021 astronaut class named to a crew. The Colorado native graduated from the Air Force Academy in Colorado Springs with a bachelor’s degree in Mathematics and a minor in Russian, where she was a member of the academy’s varsity volleyball team. She later earned a master’s in Computational and Applied Mathematics from Rice University in Houston. Ayers served as an instructor pilot and mission commander in the T-38 ADAIR and F-22 Raptor, leading multinational and multiservice missions worldwide. She has more than 1,400 total flight hours, including more than 200 in combat. Follow @astro_ayers on X and @astro_ayers on Instagram.
With 113 days in space, this mission also will mark Onishi’s second trip to the space station. After being selected as an astronaut by JAXA in 2009, he flew as a flight engineer for Expeditions 48 and 49, becoming the first Japanese astronaut to robotically capture the Cygnus spacecraft. He also constructed a new experimental environment aboard Kibo, the station’s Japanese experiment module. After his first spaceflight, Onishi became certified as a JAXA flight director, leading the team responsible for operating Kibo from JAXA Mission Control in Tsukuba, Japan. He holds a bachelor’s degree in Aeronautics and Astronautics from the University of Tokyo, and was a pilot for All Nippon Airways, flying more than 3,700 flight hours in the Boeing 767. Follow astro_onishi on X.
The Crew-10 mission will also be Peskov’s first spaceflight. Before his selection as a cosmonaut in 2018, he earned a degree in Engineering from the Ulyanovsk Civil Aviation School and was a co-pilot on the Boeing 757 and 767 aircraft for airlines Nordwind and Ikar. Assigned as a test cosmonaut in 2020, he has additional experience in skydiving, zero-gravity training, scuba diving, and wilderness survival.
Learn more about how NASA innovates for the benefit of humanity through NASA’s Commercial Crew Program at:
https://www.nasa.gov/commercialcrew
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Joshua Finch / Jimi Russell
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov / james.j.russell@nasa.gov
Kenna Pell / Sandra Jones
Johnson Space Center, Houston
281-483-5111
kenna.m.pell@nasa.gov / sandra.p.jones@nasa.gov
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Last Updated Feb 18, 2025 LocationNASA Headquarters Related Terms
Humans in Space Anne C. McClain Astronauts Commercial Crew International Space Station (ISS) ISS Research Johnson Space Center Jonny Kim Nichole Ayers View the full article
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By NASA
2 min read
NASA Science: Being Responsive to Executive Orders
February 18, 2025
To the NASA Science Community –
As the nation’s leader in Earth and space science, NASA Science operates within the broader context of the federal government and its priorities. As part of the Executive Branch, we are always responsive to the direction set by the Administration, including executive orders and policy guidance that relate to our programs and activities.
We are working as quickly as possible to implement these Executive Orders and related policies. We understand that these priorities can have tangible effects on our community, from potential changes in solicitations and mission planning to impacts on grants and research programs. We recognize that uncertainty can be challenging but we are committed to keeping you as informed as possible as we comply with these changes.
Our goal remains steadfast: to support groundbreaking science that advances knowledge and benefits society. As we work through these transitions, we are engaging with stakeholders, assessing implications, and ensuring that we continue to deliver on NASA’s science mission.
We appreciate your patience and dedication, and we will share more details as they become available. Thank you for your continued partnership in advancing NASA Science for the benefit of the nation.
-Nicky Fox
Associate Administrator, NASA Science Mission Directorate
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Last Updated Feb 18, 2025 Related Terms
Science Mission Directorate Explore More
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By NASA
NASA’s SPHEREx is situated on a work stand ahead of prelaunch operations at the Astrotech Processing Facility at Vandenberg Space Force Base in California. The SPHEREx space telescope will share its ride to space on a SpaceX Falcon 9 rocket with NASA’s PUNCH mission.
Credit: USSF 30th Space Wing/Christopher
NASA will provide live coverage of prelaunch and launch activities for SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer), the agency’s newest space telescope. This will lift off with another NASA mission, Polarimeter to Unify the Corona and Heliosphere, or PUNCH, which will study the Sun’s solar wind.
The launch window opens at 10:09 p.m. EST (7:09 p.m. PST) Thursday, Feb. 27, for the SpaceX Falcon 9 rocket that will lift off from Space Launch Complex 4 East at Vandenberg Space Force Base in California. Watch coverage on NASA+. Learn how to watch NASA content through a variety of platforms, including social media.
The SPHEREx mission will improve our understanding of how the universe evolved and search for key ingredients for life in our galaxy.
The four small spacecraft that comprise PUNCH will observe the Sun’s corona as it transitions into solar wind.
The deadline for media accreditation for in-person coverage of this launch has passed. NASA’s media credentialing policy is available online. For questions about media accreditation, please email: ksc-media-accreditat@mail.nasa.gov.
NASA’s mission coverage is as follows (all times Eastern and subject to change based on real-time operations):
Tuesday, Feb. 25
2 p.m. – SPHEREx and PUNCH Science Overview News Conference
Shawn Domagal-Goldman, acting director, Astrophysics Division, NASA Headquarters Joe Westlake, director, Heliophysics Division, NASA Headquarters Nicholeen Viall, PUNCH Mission Scientist, NASA’s Goddard Space Flight Center Rachel Akeson, SPHEREx science data center lead, Caltech/IPAC Phil Korngut, SPHEREx instrument scientist, Caltech The news conference will stream on NASA+. Media may ask questions in person or via phone. Limited auditorium space will be available for in-person participation. For the dial-in number and passcode, media should contact the NASA Kennedy newsroom no later than one hour before the start of the event at ksc-newsroom@mail.nasa.gov.
Wednesday, Feb. 26
3:30 p.m. – SPHEREx and PUNCH Prelaunch News Conference
Mark Clampin, acting deputy associate administrator, Science Mission Directorate, NASA Headquarters David Cheney, PUNCH program executive, NASA Headquarters James Fanson, SPHEREx project manager, NASA’s Jet Propulsion Laboratory Denton Gibson, launch director, NASA’s Launch Services Program Julianna Scheiman, director, NASA Science Missions, SpaceX U.S. Air Force 1st Lt. Ina Park, 30th Operations Support Squadron launch weather officer Coverage of the prelaunch news conference will stream live on NASA+.
Media may ask questions in person and via phone. Limited auditorium space will be available for in-person participation. For the dial-in number and passcode, media should contact the Kennedy newsroom no later than one hour before the start of the event at ksc-newsroom@mail.nasa.gov.
Thursday, Feb. 27
12 p.m. – SPHEREx and PUNCH Launch Preview will stream live on NASA+.
9:15 p.m. – Launch coverage begins on NASA+.
10:09 p.m. – Launch window opens.
Audio Only Coverage
Audio only of the launch coverage will be carried on the NASA “V” circuits, which may be accessed by dialing 321-867-1220, or -1240. On launch day, “mission audio,” countdown activities without NASA+ media launch commentary, will be carried on 321-867-7135.
NASA Website Launch Coverage
Launch day coverage of the mission will be available on the agency’s website. Coverage will include links to live streaming and blog updates beginning no earlier than 9:15 p.m., Feb. 27, as the countdown milestones occur. On-demand streaming video and photos of the launch will be available shortly after liftoff.
For questions about countdown coverage, contact the Kennedy newsroom at 321-867-2468. Follow countdown coverage on the SPHEREx blog.
Attend the Launch Virtually
Members of the public can register to attend this launch virtually. NASA’s virtual guest program for this mission also includes curated launch resources, notifications about related opportunities or changes, and a stamp for the NASA virtual guest passport following launch.
Watch, Engage on Social Media
You can also stay connected by following and tagging these accounts:
X: @NASA, @NASAJPL, @NASAUnivese, @NASASun, @NASAKennedy, @NASA_LSP
Facebook: NASA, NASAJPL, NASA Universe, NASASunScience, NASA’s Launch Services Program
Instagram: @NASA, @NASAKennedy, @NASAJPL, @NASAUnivese
For more information about these missions, visit:
https://science.nasa.gov/mission/spherex/
https://science.nasa.gov/mission/punch/
-end-
Alise Fisher – SPHEREx
Headquarters, Washington
202-617-4977
alise.m.fisher@nasa.gov
Sarah Frazier – PUNCH
Goddard Space Flight Center, Greenbelt, Md.
202-853-7191
sarah.frazier@nasa.gov
Laura Aguiar
Kennedy Space Center, Florida
321-593-6245
laura.aquiar@nasa.gov
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Last Updated Feb 18, 2025 LocationNASA Headquarters Related Terms
SPHEREx (Spectro-Photometer for the History of the Universe and Ices Explorer) Missions Polarimeter to Unify the Corona and Heliosphere (PUNCH) Science Mission Directorate View the full article
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