Growing up, we had a neighbor in the Air national guard who was a boom operator on KC-135 refuelers, meaning he controlled the boom that comes out the back of the airplane and transfers fuel to other aircraft. The boom operator lays face down on a bench and looks out a window in the back of the plane to control the boom.
When I learned that they “operate on their belly”, I somehow interpreted that to mean he performed medical operations on people’s bellies.
It didn’t even make sense to me at the time but I figured there must be some special reason that the operation had to be done while airborne and I was impressed that our neighbor was not only a doctor but an airborne surgeon who specialized in this one belly surgery that couldn’t be done on the ground.
I remember thinking radio stations had bands constantly coming in and playing songs and leaving