The movie was adapted by Paul Osborn[?] from two novels -- Borden Deal[?]'s Dunbar's Cove and William Bradford Huie[?]'s Mud on the Stars. It was directed by Elia Kazan.
... aided by data from the British Aerospace EAP prototype which had first flown in 1986, and culminating in the first flight of the Typhoon prototype in 1994 (then ...