In-flight refueling and Mid-air refuelling

Mid-air refuelling and in-flight refueling are semantically related. (British) In some cases you can replace phrase "Mid-air refuelling" with "In-flight refueling", this phrases are similar.

In-flight refueling and mid-air refuelling are semantically related. Sometimes you can replace phrase "In-flight refueling" with "Mid-air refuelling", this phrases are similar.