In the war over Ukraine, aircraft on both sides routinely fly at extremely low altitudes. Climb too high and long range missile systems will detect and destroy the aircraft almost immediately. Drop ...

Add Yahoo as a preferred source to see more of our stories on Google. There has been a "flattening of the earth" by new radar and missile technology, a Royal Air Force official said. The long-running ...

There has been a "flattening of the earth" by new radar and missile technology, a Royal Air Force official said. The long-running assumption that ultralow flying would prevent detection is "obsolete," ...