The maturity of artificial intelligence (AI) for fighter missions is looming as a significant challenge for the U.S. Air Force Collaborative Combat Aircraft (CCA) program. "The motto of the Air Force Test Center is Ad Inexplorata--Into the Unknown--so as we move forward, we are learning things," Air Force Brig. Gen. Mark Massaro, the commander of the Air Force Test Center, said on Tuesday during a Mitchell Institute for Aerospace Studies virtual forum when asked about the maturity of mission autonomy…