Ka kammala wannan magana: Rooney ya fara aikinsa a jaridu a shekarar 1942 yayin da yake cikin Sojoji inda ya fara rubutawa "Stars and Stripes" a London. Ya kasance daya daga cikin 'yan jarida shida da suka tashi a karo na biyu na bam din Amurka a kan Jamus a watan Fabrairun 1943, yana tashi tare da Sojojin Sama na Takwas. Shi ne dan jarida na farko da ya kai ga
Ludendorff Bridge bayan da 9th Armored Division ya kama shi a ranar 7 ga Maris, 1945. Ya kasance a yamma lokacin da ya ji cewa an kama gada. Ya rubuta, "Mafarkin ɗan jarida ne". "Ɗaya daga cikin manyan labaran yaƙin ya faɗi a kafaɗata". Kama gadar ya kasance labari na farko a Amurka. Rooney ya kimanta kama gadar a matsayin daya daga cikin manyan abubuwa biyar na yakin Turai baki daya, tare da D-Day.