Ka taƙaita labarin:  An haramta wa matukan jirgin RAF yin amfani da sabbin jirage masu saukar ungulu na Lightning II a cikin guguwa saboda fargabar cewa jirgin sama mai darajar fam miliyan 100 zai iya fashewa idan walƙiya ta buge shi. Ma'aikatar Tsaro ta ce jirgin F35-B, wanda ya kasance yana fama da lahani na zane da kuma matsalolin fasaha, ba za a iya tashi a cikin mil 28 na hadari ba. An kira shi <unk> Walƙiya II <unk>, har ma yana cikin haɗarin sunansa yayin da yake ƙasa tare da matukan jirgi da aka gaya musu su motsa shi a cikin kariya idan ƙasa da mil 11 daga guguwa. An haramta wa matukan jirgin RAF yin amfani da jiragen yaki na Lightning II a lokacin hadari saboda tsoron fashewarsu. An kirkiro jirgin ne a karkashin shirin Amurka na shekaru 20 na Joint Strike Fighter, tare da Gwamnatin Amurka ta ba da umarnin jiragen sama 2,500 na Lockheed Martin. A Biritaniya, an ba da umarnin jirgin sama 14 don maye gurbin tsohuwar jirgin sama mai tsalle-tsalle na Harrier a kan layin sabbin jiragen sama masu jigilar jirage na Queen Elizabeth. Amma wani rahoto na kwanan nan na Pentagon ya nuna damuwa game da sanya tankunan mai na jet, waɗanda suke a cikin reshe, a cikin fuselage, a kusa da mashigai da baya zuwa injin. Pierre Sprey, wani tsohon manazarcin Pentagon wanda ya taimaka wajen tsara F-16 a farkon shekarun 1970, ya kwatanta injin da 'wani mai hura wuta da ke kewaye da mai.' Akwai kuma hadarin kama wuta idan aka harbe jirgin yakin. A watan Yunin da ya gabata, wani jirgin F-35 ya kama da wuta yayin da yake hawa don tashi a Eglin Air Force Base a Florida, saboda injin ya fashe a lokacin tashin jirage na baya. Daya daga cikin injunan Pratt & Whitney ya fashe, ya tura ta saman jirgin, kuma ya kama wuta yayin da matukin jirgi ke shirin tashi. An dakatar da dukkan jiragen F-35 na tsawon makonni uku, kuma jirgin ya rasa fitowar sa na farko a duniya. Amma wannan ba shi ne ƙarshen matsalolin jiragen yaƙi ba. Jirgin saman yaki mai hawa daya mai dauke da injin guda daya yana alfahari da tsarin nuna kwalkwali wanda ake zaton zai bayar da ra'ayi na digiri 360 na waje na jirgin sama.
Ma'aikatar Tsaro ta haramta wa matukan jirgi yin amfani da jirgin sama mai nauyin fam miliyan 100 a lokacin hadari. Motsi ya zo ne saboda tsoron walƙiya zai iya saukar da jirgin sama mai ɓoyewa. RAF ta umarci 14 daga cikin sabbin jirage masu saukar ungulu da za a shigo da su a cikin shekaru biyar masu zuwa. An kirkiro jirgin ne a cikin shirin Amurka na shekaru 20 na shirin Joint Strike Fighter. Amurka ta ba da umarnin jiragen sama 2,500 na Lockheed Martin. Amma ɓoye F35-B ya sha wahala daga ƙirar ƙira da kuma matsalolin fasaha. An gargadi matukan jirgi cewa ba za su iya tashi a cikin mil 28 na hadari ba.