Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: J79 injuna samar da m yawa na baki hayaki (a tsakiyar-throttle / cruise saituna), mai tsanani hasara a cikin cewa maƙiyi zai iya gano jirgin sama. Wannan da aka warware a kan F-4S sanye take da -10A engine bambance-bambancen da amfani da smokeless combustor. The F-4 ta babbar rauni, kamar yadda aka tsara shi da farko, shi ne da rashin wani ciki cannon. Ga wani ɗan gajeren lokaci, koyarwar ta ɗauka cewa juyawar yaƙi ba zai yiwu ba a saurin saurin sautin kuma ba a yi ƙoƙari sosai don koyar da matukan jirgin sama ba. A zahiri, yaƙe-yaƙe da sauri ya zama subsonic, kamar yadda matukan jirgi za su rage gudu a ƙoƙarin samun bayan abokan hamayyarsu. Bugu da ƙari kuma, sabon sabon makamai masu linzami da ke jagorantar radar a lokacin ana yawan bayar da rahoton cewa ba za a iya dogara da su ba kuma matukan jirgi dole ne su harba makamai masu linzami da yawa (wanda kuma aka sani da tashin hankali), don kawai su buga mayaƙin abokin gaba ɗaya. Don ƙara matsalar, ka'idojin shiga tsakani a Vietnam sun hana hare-haren makamai masu linzami masu nisa a mafi yawan lokuta, kamar yadda ake buƙatar ganowa na gani. Yawancin matukan jirgi sun sami kansu a wutsiyar jirgin sama na abokan gaba amma sun yi kusa da su don harba Falcon ko Sidewinders. Kodayake daga 1965 USAF F-4Cs sun fara ɗaukar SUU-16 gunpods na waje wanda ke dauke da 20 mm (.79 in) M61A1 Vulcan Gatling cannon, ba a sanye da matukan jirgi na USAF ba tare da jagorancin kwamfuta har sai da gabatarwar SUU-23, kusan tabbatar da kuskure a cikin gwagwarmaya. Wasu jiragen sama na Marine Corps sun dauki nau'i biyu don shinge. Bugu da ƙari, asarar da aka yi saboda tsagewa, yakin ya nuna cewa bindigogi da aka saka a waje ba daidai ba ne sai dai idan an yi amfani da shi akai-akai, amma ya fi tasiri fiye da makamai masu linzami. Rashin bindigogi ya ƙare ta hanyar ƙara wani nau'i na 20 mm (.79 a) M61A1 Vulcan a cikin F-4E.  Tambaya: ina matukan jirgin suke?
a kan wutsiyar jirgin sama na abokan gaba