<ul data-eligibleForWebStory="true">NASA tested RS-25 engine No. 20001 for almost eight-and-a-half minutes at Stennis Space Center, Mississippi.The engine firing duration matches that of RS-25 engines during SLS rocket launches for Artemis missions.Artemis aims for lunar exploration, space research, economic benefits, and laying the groundwork for Mars missions.Four RS-25 engines from L3Harris Technologies power each SLS launch, generating a total of 2 million pounds of thrust.During the test, engine No. 20001 was fired at 111% power, the thrust level required for an SLS launch with the Orion spacecraft.The recent test was the first since NASA certified new production RS-25 engines in 2024.All RS-25 engines undergo testing at NASA Stennis before flight usage.The test involved a collaborative effort by NASA, L3Harris, and Syncom Space Services operators.The successful test reinforces readiness for upcoming SLS launches and Artemis missions.The test signals progress in NASA's preparations for lunar exploration and future crewed missions to Mars.The engine tests at Stennis are integral to ensuring performance and reliability for space missions.The RS-25 engines play a crucial role in NASA's Space Launch System and deep space exploration goals.The test validated the engine's power and functionality for future missions to the Moon and Mars.The recent test highlights the ongoing advancements in NASA's space exploration programs.NASA's testing procedures at Stennis Space Center contribute to the agency's mission success and technological advancements.The latest RS-25 engine test demonstrates NASA's dedication to advancing space exploration capabilities.