Rubuta ci gaba don wannan sakin layi - A ranar 5 ga Yuni, 1944, B-29s sun kai hari kan Bangkok, a cikin abin da aka ruwaito a matsayin gwaji kafin a tura su a kan tsibirin Japan. Tushen ba ya bayar da rahoto daga inda aka kaddamar da su kuma sun bambanta game da lambobin da suka shafi <unk>77, 98, da 114 da ake da'awar. Manufofin su ne gadar tunawa da Bangkok da kuma babbar tashar wutar lantarki. Bam din ya fadi sama da kilomita biyu, bai lalata gine-ginen farar hula ba, amma ya lalata wasu layin tram, kuma ya lalata asibitin sojan Japan da kuma hedkwatar 'yan sandan asirin Japan. A ranar 15 ga Yuni, 1944, 68 B-29s sun tashi daga sansanonin da ke kusa da Chengdu, 47 B-29s sun yi ruwan bama-bamai a cikin Iron Iron da Karfe
a Yawata, lardin Fukuoka, Japan. Wannan shi ne karo na farko da aka kai hari a tsibirin Japan tun lokacin da Doolittle ya kai hari a watan Afrilu 1942. Asarar yakin farko na B-29 ya faru ne a lokacin wannan harin, tare da B-29 daya da aka hallaka a ƙasa ta hanyar mayaƙan Japan bayan saukar gaggawa a China, daya ya rasa wuta a kan Yawata, da kuma wani, "Stockett's Rocket" (bayan Kyaftin Marvin M. Stockett, Kwamandan Jirgin Sama) B-29-1-BW 42-6261, ya ɓace bayan tashi daga Chakulia, Indiya, a kan Himalayas (12 KIA, 11 ma'aikata da fasinjoji daya). Wannan harin, wanda ya yi rauni kaɗan ga maƙasudin, tare da bam ɗaya kawai da ya buga rukunin masana'antar manufa, kusan ya ƙare ajiyar mai a sansanonin Chengdu B-29, wanda ya haifar da jinkirin ayyukan har sai an sake cika tanadin mai. Da farko a watan Yuli, hare-haren da aka kai wa Japan daga filayen jirgin saman kasar Sin ya ci gaba da raguwa sosai. An kai wa Japan bom: