The old but nimble MiG-17 had become such a serious threat against the Republic F-105 Thunderchief over North Vietnam that the U.S. Air Force created project "Feather Duster" to test which tactics supersonic American fighters could use against fighters like the MiG-17.
Den forældede, men særdeles manøvredygtige MiG-17 var blevet en så alvorlig trussel mod Republic F-105 Thunderchief over Nordvietnam at USAF startede projekt "Feather Duster" ("Støvekost") for at teste hvilke taktikker supersoniske amerikanske kampfly kunne anvende imod jagere som MiG-17.