Dee ihe na-aga n'ihu maka paragraf a - Akụkọ ihe mere eme nke SIGINT nke Agency nwere ike ịlaghachi azụ na nguzobe nke ọgụgụ isi redio Finnish na 1927 site na Reino Hallamaa, onye ọrụ ọgụgụ isi nke Defence Command, ebe akụkọ ihe mere eme GEOINT ya malitere na 1812 na nguzobe nke ụlọ akwụkwọ nyocha ndị agha Haapaniemi na ọrụ topographical. A na-ele ihe ịga nke ọma nke ndị bu ya ụzọ anya dị ka ihe dị mkpa n'agha ndị bụ isi nke Oge Oyi
na Ọganihu Agha n'oge 1939<unk>1944, dị ka ọgụgụ isi na nnukwu agha na akụkọ ihe mere eme nke Nordic mba, Agha nke Tali-Ihantala.