Boeing exec says NASA crash underscores need for new U.S. engine
October 30, 2014 at 22:22 PM EDT
WASHINGTON, Oct 30 (Reuters) - The crash of an unmanned Orbital Sciences Antares rocket is a "wake-up call" to the U.S. space community about the need to develop a new U.S. rocket engine, the head of Boeing Co's defense division said on Thursday.