NATIONAL HARBOR, Md.--United Launch Alliance (ULA) submitted a bid for the Air Force's Global Positioning System III-3 (GPS III-3) launch mission, potentially giving the service competition for launch it so desperately wants.ULA spokeswoman Lyn Chassagne said Wednesday though the company submitted a proposal, it remains concerned that price is "once again" the determining factor in this competition. Chassagne said ULA believes that a traditional "best value" procurement approach that gives more appropriate weight to critical technical factors like reliability, schedule assurance…