Gingrich and Trump Are Attacking Robert Mueller

What did you boys do during the Vietnam War?

Here from Wikipedia is what the guy you are denigrating did.

"Mueller enlisted in the United States Marine Corps in 1968, attending officer candidate school, Army Ranger School and Army jump school.[11] He then served as an officer leading a rifle platoon of the 3rd Marine Division during the Vietnam War;[3] he eventually became aide-de-camp to 3rd Marine Division's commanding general.[11] He received the Bronze Star, two Commendation Medals, the Purple Heart and the Republic of Vietnam Cross of Gallantry"