Rear Admiral Daniel Callaghan was a United States Navy officer known for his leadership during World War II. He was born on September 26, 1890, and graduated from the United States Naval Academy in 1913. Callaghan played a significant role in several naval battles, including the Battle of Guadalcanal, where he commanded the USS San Francisco. Callaghan's most notable achievement came during the naval engagement on November 13-15, 1942, when he led his forces against a Japanese fleet. Unfortunately, he lost his life in this battle, but his bravery and tactical skills earned him a posthumous Medal of Honor for his actions.