 From June 1935, he served as Hangar Deck, Flight Deck, and Senior Watch Officer aboard , returning to the "Lexington" in June 1937 to serve as the Commanding Officer of Fighter Squadron 2.Soucek went back to the Bureau of Aeronautics in May 1938 to serve as Assistant to the Chief of the Personnel Division.In May 1940, he was assigned to as Navigator, moving to the on October 20, 1941, to serve as Air Officer.