MacArthur had received the Medal of Honor in WWI.
During WWII he would often circle amphibious assault landings in his B-17.
There was no other US theatre commander in the War that would get that close to the front.
MacArthur was recommended for the Medal of Honor in WWI, but it was reduced to the Distinguished Service Cross. He was awarded six Silver Stars during WWI.
His Medal of Honor was awarded upon his departure from the Philippines.