Well, until Donald Fart does it's part for that country...:
...the daughter of Vietnam veteran John McCain has more than every right in the world to call that draft-dodging inferior subhuman what she likes.
I Had Bone Spurs as a teenager and it canceled my Athletic Career
Douglas Bader was a pilot of Hawker Hurricanes during WWII. He continued his career in the RAF when he didn't have any legs, so your Orange Coward never had the right to any excuses whatsoever.
Just ask Gen. Chuck Yeager: like McCain, a veteran of Vietnam, nay, a Hero of WWII.
Certainly as to why he refused to endorse Donald Fart.