Looking Back at Past Presidents Who Served in the Military With the blood and fire in which the United States was forged, it is unsurprising that, looking back at past Presidents who served in the military, the number is a considerable one. Whether leading the US Army during the War of Independence in the 18th century or serving in the Air National Guard during the Vietnam War, almost two thirds of all men who have acted as Commander-in-Chief of the United States Armed Forces have also...