An aircraft modification system for an aircraft, the aircraft including an aircraft fuselage, aircraft flight control surfaces, and aircraft subsystems, the aircraft modification system comprising:
- an aerial refueling system (ARS);
- a new refueling system;
- and
- interface subsystems comprising
- one or more adjustable structures configured to provide structural support or reinforcement for, and between, the aircraft fuselage, the ARS, and the new refueling system, and
- one or more operative interconnection systems configured to operatively interface the aircraft, the aircraft subsystems, the ARS, and the new refueling system.