Aerojet AJ26 Undergoes Test At Stennis. The WSDU-TV New Orleans (2/8) website reports NASA tested the new Aerojet AJ26 engine at the Stennis Space Center on Monday. "The AJ26 will power the Orbital Sciences Corporation's Taurus II rocket. The Taurus II, under construction right now in Virginia, will be used to provide cargo and essentials to astronauts aboard the International Space Station." The article notes NASA reportedly said the test "went off without a hitch."