Which five-star general began his career in the signal corps?

The correct choice, General Henry Hap Arnold, is notable for having begun his military career in the Signal Corps. This branch of the military was responsible for communications and technology, which provided Arnold with a strong foundation in technical and operational aspects of military leadership. His experience in the Signal Corps would serve him well as he rose through the ranks and became one of the key figures in developing the U.S. Army Air Forces during World War II, ultimately earning the distinction of a five-star general.

Understanding Arnold's trajectory is significant because it illustrates how skills and expertise in one field can be leveraged for greater leadership roles in the military. This connection between early career paths and later accomplishments can reflect broader themes in military history and the importance of innovative thinking and adaptability in leadership.