Task: Question Understanding
Input (English): Context : Lieutenant Junior Grade Clarence Samuels (June 11, 1900 -- 1983), was the first Hispanic American of African descent photographer in the United States Coast Guard, to command a cutter, as well as the first one to be a commanding officer of a Coast Guard vessel during wartime. 
Question : What army was Clarence Samuels a part of?
Output (English): military branch