Whakaotihia te rerenga e whai ake nei: I muri i te rohe, i Puerto Rico a McClure mai i te 1899 ki te 1900, ka mahi ia i nga Philippines mai i te 1901 ki te 1903. I riro a McClure hei kaitohutohu rongonui o te Kura o te Raina i te tau 1909, a, i puta ia i te Whare Wananga o te Army Staff i te tau 1910. I noho ia hei kaiwhakaako i te Kura Ratonga a te Ope Taua mai i te 1913 ki te 1916. I te puna o te tau 1916, i uru ia ki te
Ko te haerenga a Pancho Villa. I te tau 1917, i puta a McClure mai i te United States Army War College, a, i whakatairangahia ia ki te Brigadier General i te Tihema 17 o taua tau. Ko ia te rangatira o te Base Camp Number One i San Nazaire, France, tae noa ki te 1918. I riro a McClure hei rangatira mo te 69th Infantry Brigade mo nga marama e rua, ka whakahau i te 38th Infantry Division mo nga wiki e rima. E toru marama a McClure e whawhai ana ki te 69th me te 38th Divisions. I mahi a McClure i te tari o te Tumuaki o nga Kaimahi i Washington mai i te mutunga o te 1918 ki te timatanga o te 1919. Mai i te 1920 ki te 1922, i mahi ia hei kaiawhina rangatira mo nga Kaari Whakahaerenga i Fort Leavenworth, Kansas ana mai i te 1923 ki te 1926 i mahi ia me te Signal Corps. I reti a McClure hei koroneela i te Hōngongoi 21, 1929, a, i whakahokia mai tana tuunga Brigadier General i te Pipiri 1930.