NASA is set to perform the last in a series of hot fires of the RS-25 engine to evaluate the performance of newly designed parts. The test article is RS-25E SN 10001, and the test will last 500 seconds with a max throttle of 113%.
The Artemis program is a US government-funded crewed spaceflight program that has the goal of landing "the first woman and the next man" on the Moon, specifically at the lunar south pole region by 2024.