 Ramba uchinyora ndima iyi - Muna 1932, akarwa nemauto eBolivia muHondo yeBoquerón munguva yeHondo yeChaco. Pashure pehondo iye akakwira zvishoma nezvishoma muchiuto; pakasvika 1940, akanga asimuka kuva mukuru uye akabatana nevakuru vakuru muna 1946. Apo Hondo yeVanhu veParaguaypakaputika hondo muna 1947, akatungamira boka revarwi muParaguarí iro rakaona kuti Mutungamiri Higinio Morínigo akakunda hondo nokuparadza nzvimbo yevarwi vevashandi veAsunción. Purezidhendi Morínigo akawana unyanzvi hwaStroessner hwokurwa huchibatsira zvikuru uye akakurumidza kumusimudzira. Somumwe wevakuru vashoma vakanga varamba vakavimbika kuna Morínigo, Stroessner akava mutambi wezvematongerwe enyika uye wezvemagariro paakangopinda munzvimbo dzakakwirira dzeuto reParaguayan. Akava brigadier uye mukuru mukuru muduku muSouth America muna 1948. Pfungwa yake yezvematongerwe enyika yakarurama yakamutadza kamwe chete, paakazviwana muna 1948 ari parutivi rwakashata rwokuedza kudengenyeka kwakakundikana uye aifanira kuendeswa kumuzinda weBrazil ari mumotokari yemotokari, achimupa zita remadunhurirwa rokuti Colonel Trunk. Stroessner akatsigira Felipe Molas López mukubudirira kwechiuto pamusoro paJuan Natalicio González. Akabva atsigira Federico Chávez kurwisa Molas López uye muna 1951 aive Commander-in-chief weArmed Forces yeParaguay. 