Must be beer in general, as Arthur Guinness didn't brew a dark porter until 1778. http://en.wikipedia.org/wiki/Guinness#History
Certainly a better beer paying homage to the fighting forces than when Budweiser/Anhueser Busch chose to "use our troops as a sales pitch."
Marketing? Sure is...by honoring our troops.
Exponentially better than the corporations that daily take stands against our military, our constitution, our country.