|Donald Trump graduated from the now defunct New York Military Academy, where they gave medals for Neatness and Order.|
The potential Presidency of "The Donald" isn't quite so shocking when seen as a sign of our civilizational decadence, which I think speaks for itself.
|Truman||Artillery officer, combat in France, WWI|
|Eisenhower||Supreme Commander, European Theater of Operations, WWII|
|Kennedy||Navy PT boat commander, Purple Heart recipient, WWII|
|Johnson||Commander, USNR, Silver Star for gallantry, WWII|
|Nixon||USNR Combat Air Transport Officer, Guadalcanal, WWII|
|Carter||1946 USNA graduate, lieutenant in the Navy's nuclear program|
|Reagan||US Army Air Corps Reserves, 1937-45, made training films, WWII|
|GHW Bush||Youngest naval aviator when commissioned; Distinguished Flying Cross, WWII|
|Clinton||None; backed out of ROTC commitment after getting a high draft number|
|GW Bush||Texas Air National Guard, fighter pilot (no Vietnam service), 1968-1974|
I omitted Ford (Lieutenant, USNR, USS Monterey aircraft carrier, WWII) because he was never elected President in his own right.
See also: Wanted: President of the United States. No Experience Required.; and, Can you name the past 10 U.S. Presidents?