The RS-25 engine fires up for a 500-second test Jan. 9 at NASA's Stennis Space Center near Bay St. Louis, Mississippi.
The RS-25 engine fires up for a 500-second test Jan. 9 at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. This is the first of eight tests for the development engine, which will provide NASA engineers with critical data on the engine controller unit and inlet pressure conditions.
Image credit: NASA