Why do the Army, Navy, Marines, and Coast Guard fly aircraft when we have the Benny Space Force Shirt. The answer is different missions. Space offers unique challenges that are quite different from the Air Force’s traditional mission. Perhaps the time for a Space Force has come, but it will only happen after thorough vetting by Congress to see if it really makes sense. David Kingsley, I think you are delusional. President Trump does not believe that we are going to have dogfights in space. The space forces primary duties will be tracking and launching satellites. You ignorant liberals don’t know what the hell you are talking about. The Air Force started as the Army Air Corp.