MOJAVE - XCOR Aerospace will continue its own work in developing a composite liquid oxygen fuel tank for NASA's new space exploration plans under a $7 million contract announced Monday. The Mojave-based rocket engine company won the competitive contract as part of the space agency's effort to develop key technologies for manned exploration of the moon, Mars and beyond. "We get a chance to do what we want to do to the benefit of us, to the benefit of NASA and other folks," company co-founder Aleta Jackson said. Over the last few years, XCOR has developed a combination of materials...