"1st Battalion, 4th Marines" . "Lancaster II" . "1st Battalion, 9th Marines" . "3rd Battalion, 1st Marines" . "3rd Tank Battalion" . . . . "359 killed" . "1968-11-23" . "44th Air Defense Artillery Regiment" . . "Operation Lancaster II" . . . . "U.S. operational success" . "3rd Battalion, 3rd Marines" . "2nd Battalion, 9th Marines" . . "3rd Battalion, 4th Marines" . . "320th Division" . . . "1st Battalion, 3rd Marines" . "3rd Battalion, 9th Marines" . . . "Operation Lancaster II" . "North Vietnam" . "2nd Battalion, 4th Marines" . . .