Military aircraft don't have time to land and refuel on sensitive missions. That's where aerial refueling tankers come in.

KC-46 Pegasus still faces A-10 and stealth aircraft refueling limits as Boeing works on boom and vision system fixes.

Aerial refueling sounds straightforward enough — one aircraft passes fuel to another mid-flight. But when that mission happens inside a contested airspace bristling with enemy radar, surface-to-air ...