Col. George “Bud” Day, Medal of Honor recipient and Air Force pilot who was shot down over Vietnam and suffered over five years of brutality at the “Hanoi Hilton” where he was imprisoned with John McCain, has passed away at the age of 88.

On Twitter, many remarked about the loss of Col. Day:

Read more about Day’s fascinating and heroic life:

Here at Twitchy we’d like to offer our condolences to Col. Day’s family on the passing of a true American hero.

Editor’s note: This post has been updated with additional tweets.