Fired up: Rocket engine designed for reusable flights tested

STENNIS SPACE CENTER, Miss. (AP) — With a massive cloud of vapor and a roar, a rocket engine designed as part of a reusable spacecraft is being test fired in Mississippi. Tom Martin from Aerojet Rocketdyne says Monday’s test of the AR-22 engine was “awesome” to see and everything went exactly as planned at Stennis […]