Ku qor sii wadida cutubkan - Bishii Maarso 1944, "Monongahela" waxay ku biirtay Kooxda Dib-u-cusbooneysiinta Badda ee Diyaaradaha Duuliyaha Degdegga ah ee 58, inta ka hartay dagaalka oo si joogto ah ula shaqeynayay diyaaradaha xamuulka qaada, iyagoo ka qaybqaatay hawlgal kasta oo weyn oo Bartamaha Baasifigga ah laga soo bilaabo Hollandia, New Guinea, duulaankii Abriil 1944 ilaa duulaankii Okinawa sanad kadib. Shidaalku wuxuu taageeray dusha sare inta lagu gudajiray weerarkii labaad ee Truk, duulaankii Marianas, Dagaalkii Badda Filibiin, duulaankii Palaus, ololihii Leyte
, iyo xoraynta Filibiin. Bishii Nofeembar 1944, waxay ahayd mid ka mid ah kuwa saliida ka shaqeeya ee ka tirsan Kapt. Jasper T. Acuff's At-Sea-Refueling Group oo sameeyay socdaal halis ah oo loo maro Surigao Strait ilaa Badda Bariga Shiinaha si ay u buuxiso Admiral William F. Halsey's 3rd Fleet / TF 38 inta lagu gudajiray duulaankii ay ku qaadeen xeebaha Indochinese iyo Shiinaha. Markabku wuxuu kaloo taageeray duulaankii Iwo Jima iyo Okinawa, isagoo si dhib yar uga badbaaday waxyeelo ka soo gaartay weeraradii diyaaradeed ee ismiidaaminta ahaa ee Kerama Retto, 16kii Abriil 1945. Dhamaadkii howlgalkii Okinawa bishii Juun, "Monongahela" waxay u ambabaxday San Francisco si ay u sameyso dayactir aad loogu baahnaa kaas oo wali socday markii colaaduhu joogsadeen 15kii Ogosto.