Mezue ahịrịokwu na-esonụ: "McNair" hapụrụ New York na 5 March 1944 maka Pacific. Ka ọ na-erule June 14, dịka otu nke Destroyer Squadron 54 (DesRon 54), ọ nọ na ihuenyo maka ndị agha agha nke meghere egbe ha megide ụlọ ọrụ ndị Japan dị na Saipan. N'ime ụbọchị iri na itoolu sochirinụ, o nyere nkwado ọkụ ma rụọ ọrụ nchebe ụgbọ mmiri. N'abalị atọ n'ọnwa Julaị, ewepụtara ya na TF 52 ka ọ na-eso ụgbọ mmiri n'etiti Eniwetok na Saipan. N'ịbanye n'ike ahụ na 25th, o nyere ọkụ na nkwado nyocha maka mwakpo nke Tinian. N'ịbụ onye a tọhapụrụ ọzọ n'August 2, "McNair" gara Guadalcanal iji kwadebe maka ọrụ mwakpo ọzọ, Palaus. Site na 6 ruo 21 Septemba, ọ kwadoro ndị agha ala na-eme ihe na njide na njide nke ndịda Palaus na counterbattery na imekpa ọkụ. Mgbe agha nke Angaur gasịrị, ọ gara n'ebe ndịda gaa n'àgwàetiti Manus, ebe a na-eme ihe nkiri maka
Ịwakpo Leyte.