Marshall developing a reusable light rocket Engine could save NASA millions, make travel safer 08/08/03 By SHELBY G. SPIRES Times Aerospace Writer shelbys@htimes.com A reusable rocket engine program managed at Marshall Space Flight Center may hold the key to lowering the cost and improving the safety of space travel, Marshall engineers hope. The RS-84 engine, built by Boeing Rocketdyne in Canoga Park, Calif., is being developed for use in reusable and expendable rockets. If it goes into production, it would be America's second reusable engine use after the space shuttle main engine, also developed by Marshall. The Marshall-led program has...