Dee ihe ga-aga n'ihu na paragraf a - E nyere Shelton ọrụ n'agha dị ka onye isi na 9th (East Norfolk) Regiment of Foot na 21 Nọvemba 1805. Afọ abụọ mgbe e mesịrị, e mere ya lieutenant. N'afọ 1808, ọ hụrụ ka a na-alụ agha na Roliça
, Vimiero na Corunna na Portugal. A kpọghachitere ndị agha ahụ na Britain. Shelton sonyere na njem Walcheren nke ọdachi nke 1809 tupu ọ laghachi na Iberian Peninsula na 1812 <unk> 13. N'ime afọ ndị ahụ, o sonyere n'agha nke Badajoz, Burgos, Salamanca na Vittoria tupu e merụọ ya ahụ nke ukwuu na nnọchibido nke San Sebastián, na-efunahụ aka nri ya. E kwuru na o guzoro n'enweghị ihe mere ya n'èzí ụlọikwuu ya ka onye dọkịta na-awa ahụ kpụpụrụ aka ahụ.