I had the honor of serving in this regiment. I was a Sergeant in charge of a 106 MM Recoiless Rifle. That is the badge of the Second Infantry Regiment. I still have this badge. As I write this I am wearing it. I have stories about those days I like to tell on occasion. That was some weapon! Like! You know! The jeep would seem to come off the ground when you fired it. Anti tank weapon, of course! Primarily.