Mezue ahịrịokwu na-esonụ: Hechler nwere ọtụtụ obere ọrụ a họpụtara ahọpụta n'ọrụ gọọmenti etiti ruo mgbe a kpọrọ ya n'Òtù Ndị Agha United States n'oge Agha Ụwa nke Abụọ na July, 1942. Mgbe ọ gụsịrị akwụkwọ na Armored Force Officer Candidate School, e kenyere ya ọrụ dịka onye na-akọ akụkọ agha na European Theater of Operations. Hechler nyere aka ịkọ akụkọ ntọhapụ nke France, mwakpo Normandy nke 1944, Agha nke Bulge, na ntinye na Nazi Germany. E kenyere ya na Ngalaba nke 9 nke ndị agha mgbe ndị agha na ndị agha na-arụ ọrụ, akụkụ nke Combat Command B, na-atụghị anya na ha jidere
Ludendorff Bridge na-agafe osimiri Rhine n'oge Agha Remagen. Ọ gbara ma ndị agha US ma ndị agha Germany aka n'oge ahụ ajụjụ ọnụ. E nyere ya otu Bronze Star na kpakpando agha ise. Ọ lọghachiri ugboro abụọ mgbe agha biri iji gbaa ndị Germany sonyere n'agha ahụ ajụjụ ọnụ. Ọ chọtara Captain Willi Bratge, otu n'ime ndị isi abụọ a na-egbughị n'iwu Hitler n'ihi na e jidere ya, ma soro ya nọrọ otu izu na mpaghara Remagen na-amụ banyere nkọwa nke agha ahụ. N'afọ 1957, o bipụtara akwụkwọ "The Bridge at Remagen: The Amazing Story of March 7, 1945" nke e mere ka ọ bụrụ ihe nkiri na 1969.