# RS-25 Engine Tests at NASA Stennis

- Source: NASA
- Published: 2026-10-23T18:57:04+00:00
- Category: Science
- Original: https://www.nasa.gov/image-article/rs-25-engine-tests-at-nasa-stennis/
- Canonical: https://groundlevelnews.com/story/rs-25-engine-tests-at-nasa-stennis-0ca7b6/

Teams at NASA’s Stennis Space Center near Bay St. Louis, Mississippi tested RS-25 engine No. 10001 on Oct. 21, 2026. The hot fire test lasted for almost eight-and-a-half minutes (500 seconds), the same amount of time RS-25 engines fire during launch of NASA’s SLS (Space Launch System) rocket, with a 111% power level. For each […]

_Ground Level News shows a short summary only; the full article and all rights belong to NASA._