COLORADO SPRINGS, CO -- Despite concerns that the Air Force's competitive launch strategy has emphasized price over reliability, longtime national security space launch provider United Launch Alliance is optimistic that approach will change as the service matures its source-selection process in a newly competitive environment. The Air Force has awarded two competitive Evolved Expendable Launch Vehicle-class missions to SpaceX, a relative newcomer to the military launch environment, and officials have said that in both cases, price was the deciding factor...