Daniel J. Callaghan

Daniel Judson Callaghan was a United States Navy officer who served his country in two wars, in a three-decades-long career. Callaghan served on several ships during his first 20 years of service, including escort duties during World War I, and also filled some shore-based administrative roles. He later came to the attention of President Franklin D. Roosevelt, who appointed Callaghan as his naval aide in 1938.