Mezue ahịrịokwu na-esonụ: Mgbe ọ gụsịrị akwụkwọ na 1774, Folch lụrụ agha na mkpọsa agha na North Africa na Mediterranean ruo ọtụtụ afọ, gụnyere Siege nke Melilla (1774<unk>75),
Mgbaghara nke Algiers, na nnọchibido nke Gibraltar (1780). E buliri ya n'ọkwa lieutenant n'afọ 1780 ma n'afọ 1786 ọ ruru ọkwa onye isi. Folch bịarutere America na 1780 na ndị agha ("Ejército de Operaciones") nke Victoriano de Navia nyere iwu, wee rụọ ọrụ ya ruo mgbe a kwalitere ya ịbụ onye isi na November 22, 1786. Ọnwa asaa ka e mesịrị, na June 19, 1787, a họpụtara ya ịbụ onye isi nke post na Mobile, ebe ọ haziri nchọpụta na njem ntaramahụhụ megide Maroons. N'ọnwa Ọgọstụ 1793, e kenyere Folch ọrụ njem ụgbọ mmiri ka ọ gaa depụta akụkụ etiti nke ụsọ oké osimiri ọdịda anyanwụ nke ógbè East Florida, gburugburu Tampa Bay. Mgbe o jesịrị ọrụ a tara akpụ nke ọma, gọvanọ Louisiana, bụ́ Baron Carondelet, họpụtara ya ka ọ bụrụ onyeisi nke obere ụgbọ mmiri abụọ o mere ka ha na-agagharị n'ụsọ oké osimiri dị nso n'ọnụ Osimiri Mississippi. Folch rụrụ ọrụ a site na July, 1794, ruo July, 1795. Na July 28, 1795, Carondelet họpụtara Folch onye isi ọhụrụ nke ebe e wusiri ike nke San Fernando de las Barrancas. Nke a bụ ebe a nọ na-enwe ihe isi ike na Chickasaw Bluffs nke chere ihu n'Osimiri Mississippi, bụ́ ebe Memphis, Tennessee, dị ugbu a. Folch jere ozi n'ebe ahụ ruo September 1796. E kenyere ya ọrụ ọzọ na Pensacola, ebe o jere ozi dị ka ọchịagha site na Septemba 30, 1795, ruo Machị 30, 1804. Na June 1796 a họpụtara ya gọvanọ nke West Florida.