In a move that could have major implications for the two companies competing for Evolved Expendable Launch Vehicle contracts, the Defense Department is not seeking a national security waiver to congressional restrictions placed on the use of the Russian-made RD-180 rocket engine, according to a department spokeswoman. "We do not believe any immediate action is required to address the future risk of having only one source of space launch services," Courtney Hillson said in an Oct. 9 statement. "Accordingly, we...
