The Air Force's Space and Missile Systems Center this week initiated the first phase of a two-part process to determine whether other companies can compete against prime contractor Lockheed Martin to build the next-generation Global Positioning System satellite vehicle and navigation payload. The sources-sought synopsis, posted June 4 on the Federal Business Opportunities website, makes clear that the service is not launching a new GPS III development program, but rather is gauging whether companies besides Lockheed and its navigation payload...