 Before any buttons got pushed, the captain had to determine if the computer was tracking a legitimate target in a part of the world crisscrossed by commercial airliners. Here's what the airspace looked like that night. Obviously, I'm very concerned about shooting down the wrong thing. So worst case scenario is it turns out to be a commercial airliner. Absolutely. Worst nightmare of my life. McCartney would break away to refuel and replenish its stores at sea.