In September 1946, Nemesio was selected as one of the 50 Filipino scholars in United States Merchant Marine Academy to sail to San Francisco, United States in January, 1947. Afterwards he met several personalities including Future Navy admiral Romulo Espaldon and activist-turned-navy officer Danilo Vizmanos which his classmates. Additionally, he acquainted leaders in the field of military, politics, and business in the Philippines who were then enrolled at US universities. He received a BS in Nautical Science with a minor in International Trade when he left the Academy as a member of the Class of 1950B.
