Any aircraft the president boards instantly assumes the callsign "Air-force One"
A propeller airplane is, simply put, any airplane which uses a propeller for propulsion.
No there is no airplane with a salon but it would be a nice idea for future uses.
Everyone who needs to get somewhere.
Air Force One
The Marine corps. It is called Marine one like the airplane by the air force the president uses is called air force one.
Cleaner wrasse.
The president of the United States is Trump and the United States doesn't have prime ministers . Several nations do have prime ministers, but we need the name of the country to tell his/her name.
There are far too many aircraft for different purposes to name an all round 'best' .. -Each has it's uses.
For transporting people and cargo. Also for various defence uses.
Whatever plane the President is on, it's radio call sign is Air Force One. That is not the name of the plane itself, just a radio call sign. The president uses one of several different planes. The helicopter radio call sign is Marine One.
Freon is a brand name. It uses R134a refrigerant.