The Biggest, Most Expensive Military Planes Ever Produced

7. Pegasus, KC-46

Joined the Service in 2019 Not retired: N/A Expense:* $189.4–$250.2 million The KC-46 Pegasus is an aerial refuelling aircraft, named after the winged horse of Greek mythology, most likely. It also transports military equipment strategically. Boeing created the Pegasus, which is partly based on its 767 jet airliner. Boeing was given the contract during the USAF's KC-X tanker competition.

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KC-46 Pegasus / Pinterest / hal_cohen The Boeing-designed KC-135 Stratotanker was to be replaced by the Pegasus. One of the more recent aircraft on this list is the Pegasus, which was delivered in January 2019. By 2027, the US Air Force intends to acquire 179 Pegasus aircraft, which will come at a development cost of $241.2 million.

8. The Fighting Falcon, F-16D

Joined the Service in 1984 Not retired: N/A Price range: $14.6–18.8 million A supersonic fighter aircraft is the F-16 Fighting Falcon D. The A/B version had its first flight in January 1974 and is used in a variety of capacities. Following General Dynamics' award of the contract, almost 4,600 of these aircraft have been constructed. The D is a two-seater that is a component of the Falcon C/D. The D was initially created in 1984.

F-16D Fighting Falcon | Twitter.com / @Toryu1963 Block 25 was the FF-D. Its radar and cockpit avionics were upgraded. In addition, it had BVR (beyond visual range) for all-weather performance. Depending on the method of calculation, the operational cost per flying hour of the C/D ranged from $7,000 to $24,000.