Kammala jumla mai zuwa: A watan Agustan 1943, an nada Hoover a matsayin Kwamandan, Jirgin Sama na Kasa, Tsakiyar Pacific kuma ya kasance a cikin wannan umurnin har zuwa Disamba na wannan shekarar, lokacin da aka sake sanya umarninsa na farko zuwa Kwamandan, Jirgin Sama, Tsakiyar Pacific sannan kuma zuwa Kwamandan, Tsakiyar Tsakiya ta Tsakiya. Ya yi aiki a wannan matsayin a karkashin Fleet Admiral Chester Nimitz a lokacin Tarawa, Kwajalein da
Eniwetok a cikin Gilbert da Marshall Islands da Saipan, Guam a cikin Mariana da Palau Islands. Hoover ya shirya yankin da ya umurce shi don mafi kyawun goyon baya ga ayyukan jiragen ruwa na gaba kuma ya jagoranci rukunin rukunin da ke da karfi a cikin ƙasa mai zurfi a cikin ƙasa mai maƙiyi, da bama-bamai da kuma tsoratar da abokan gaba masu tsaron gida a cikin ayyukan da suka dace da ya dace da manufofi ga dakarun da ke kai hare-haren amphibious da ke ci gaba a karkashin murfin bincikensa da jiragen sama. Ya karbi lambar yabo ta biyu ta Navy Distinguished Service Medal don aikinsa a cikin wadannan yakin.