MB-XX

MHI and Pratt & Whitney Rocketdyne are teamed to develop a new family of cryogenic upper stage engines designated as MB-XX. The MB-XX is a liquid oxygen/liquid hydrogen engine family designed to meet the growing and varied global demand for reliable high-performance, affordable, low-risk upper stage propulsion. Development was initiated in1999. Component testing was completed in 2004, and system level demonstrator hot-fire testing was completed in September 2005.