Tuhia he haere tonu mo tenei whitianga - I tukuna te kaipuke hou ki te Tari Pakanga i te 29 o Oketopa 1920 mo te whakahaere me te Ratonga Whakawhitinga a te Ope Taua (ATS) i te whare kaainga i te Brooklyn Army Base i New York. Tae noa ki te 1923 "St. Mihiel" i rere i waenganui i te New York Port of Embarkation me Antwerp, Belgium. Whai muri i te kawe i te roopu hoia whakamutunga o te United States mai i Tiamana mai i Antwerp i te Hanuere 1923 i whakawhiwhia ia ki te New York <unk> San Juan, Puerto Rico <unk> Panama
tae noa ki te tau 1926. I roto i tenei wa o te ratonga Atlantic "St. Mihiel" i whakawhiwhia ki te pennant o te Army's Efficiency (<unk>E<unk>) mo nga waka a Atlantic i te tau 1922, i kawe i te 213th Coast Artillery mai i New York ki Fort Monroe mo te whakangungu raumati me te mahi i nga mahi awhina hurricane i San Juan i te marama o Hepetema 1928.