I'm almost positive Bob Howard is the most decorated. CMH, 2 DSC, SS, 4 BS, 8 PH, Etc. But it's splitting hairs really. Both guys did stuff in battle that is beyond comprehension.
Audie Murphy is usually said to be the most decorated American soldier of WWII. Some now say that Major Matt Urban has more medals, but Urban was not awarded his Medal of Honor until more than thirty...
Audie Murphy, he was rewarded with every major medal in the military including the Medal of Honor. He is personally responsible for over 250 German deaths.
Good question! I don't know if this answer will hold up, but my guess is
Lieutenant General Carol A. Mutter. USMC (Retired), who was awarded the
Defense Distinguished Service Medal, the Defense...