WhoDat!656

Didn't see this already posted

Despite the difficulty each year in finding a team willing to participate, NFL Films announced on July 18, 2013, that it had signed a "multiyear" contract extension with HBO to continue producing the show.[7]

On October 8, 2013, the NFL announced that one team each year will be required to participate in Hard Knocks. Teams may still volunteer to be on the show. Teams with new coaches, teams that have been in the playoffs at least once in the past 2 years, or teams that have done the show once in the past 10 years are exempt from being forced into appearing on the show. [8]

https://en.wikipedia.org/wiki/Hard_Knocks_(TV_series)

"A Veteran is someone who, at one point in his life, wrote a blank check made payable to "The United States of America" for an amount of "up to and including my life."