Kammala wannan jumla: "Pennsylvania" ya shiga cikin rundunar jiragen ruwa a cikin jerin ayyukan amphibious, wanda aka ba shi aikin samar da goyon bayan bindiga. Na farko daga cikin waɗannan, Kamfen na Tsibirin Aleutian, ya faru a tsakiyar 1943, kuma an bi shi da hari kan Makin daga baya a wannan shekarar. A lokacin 1944, ta goyi bayan saukowa a kan Kwajalein da
Eniwetok a cikin Marshall Islands da Mariana da Palau Islands yakin, ciki har da yaƙe-yaƙe na Saipan, Guam, Peleliu, da Yaƙin Angaur. A lokacin yakin Philippines, ban da ayyukanta na bombardment na bakin teku, ta shiga cikin yakin Surigao Strait, kodayake saboda rashin radar ta, ba ta iya gano manufa ba kuma ba ta yi wuta ba. A lokacin yakin Okinawa, wani jirgin ruwan Japan ya yi masa bam din bam din kuma ya lalace sosai, ya tilasta masa janyewa don gyara kwanaki kafin karshen yakin.