in 1959, the us air force ,concerned about losing pilots over hostile territory ,began planning for the use of unmannned aircraft ,planning intensified after the soviet union shot down a u-2in 1960.within days ,a highly classified uav program started under the code mane of red wagon ,the august 1964 clash in the tonkin gulf between naval unted of the us and north vietamaese navy intiated america highly classified uav into their first combat missions of the vietman war,,when the chinese govement showed photo of downed us via wide world photo ,the offical us response was no comment the war of attrition was characterized by introduction of uav via wide world reconnaissance cameras into combat in the middle east in the yom kippur war israel uesd drones as a decoys to spur opposing forced into wasting expensive anti aircraft mmissiles.