Which U.S. President, despite not having a particularly distinguished military record, held the highest military rank achievable, even after his presidency, and also had a unique connection to the space program?

1. He was the 34th President of the United States.
2. He served as the Supreme Commander of the Allied Expeditionary Force in Europe during World War II.
3. He established NASA during his presidency.
4. His nickname was 'Ike'.