The term 'Commander in ___' can be completed with two different answers. The first answer is 'LEE, ' which is a three-letter word. This answer refers to Robert E. LEE, who was a Confederate general during the American Civil War. He was known for his tactical brilliance and is considered one of the greatest commanders in American history. The second answer is 'Geena, ' which is a five-letter word. This answer refers to Geena Davis, an American actress, producer, and activist. She is best known for her roles in films such as Thelma & Louise and A League of Their Own. In addition to her acting career, she has also served as a UN Special Envoy for Women's Empowerment.