Air campaign and Bombing run

Bombing run and air campaign are semantically related In some cases you can use "Bombing run" instead a noun phrase "Air campaign".

Bombing run noun - That part of the flight that begins with the approach to the target; includes target acquisition and ends with the release of the bombs.

Air campaign and bombing run are semantically related in bombardment topic. You can use "Air campaign" instead a noun phrase "Bombing run", if it concerns topics such as aerial bombardment.