Citation X Cessna custom airplane model U.S. Navy Lockheed was contracted for a

Lockheed was contracted for a prototype conversion

Fly into the past with this intricate yet delicate replica

and is a stretched

Boeing B-17 airplane model

the Pogo used the Allison YT40-A-14 engine and Curtiss-Wright counter-rotating propellers but was somewhat more compact and less conventional in appearance

Citation X Cessna custom airplane model U.S. Navy Lockheed was contracted for aThe Citation X is Cessna's largest, fastest and longest range aircraft yet, and Cessna claims it to be the fastest civil transport in service other than the supersonic Concorde. The Citation X (as in the Roman numeral, not the letter, and Cessna's Model 750) is also the largest member of business aviation's biggest corporate jet family, the Citation series. Cessna announced that it was developing the Citation X in October 1990 at that year's NBAA