A recent video posted to Facebook captures a touching gesture of respect and honor. In it, members of 2nd Battalion, 4th Marines, line miles of road to salute the families of fallen Marines on their way to an April 6 memorial aboard Camp Pendleton, Calif., that marked the 10th anniversary of the battle of Ramadi. In the video shot from inside a passing vehicle, hundreds of Magnificent Bastards — as the unit is known — snap to attention and salute. [HTML1] The ceremony at the Camp San Mateo Memorial garden commemorated members of the unit lost during the 2004 battle…