General Henry H. Arnold, commonly known as Hap Arnold, was a prominent figure in the United States military, particularly during World War II. Born on June 25, 1886, he played a crucial role in the development of the U.S. Army Air Forces and was instrumental in advancing air power as a key component of modern warfare. Arnold became the first five-star general in the U.S. Air Force and is often referred to as the "father of the Air Force." His leadership and vision helped shape the strategic use of air power, leading to significant victories in various campaigns during the war.