1st Lt. John Earl Warren Jr. served in C Company, 2nd Battalion (Mechanized), 22nd Infantry, 25th Infantry Division. He was posthumously awarded the Medal of Honor for actions on January 14, 1969, in Tay Ninh Province, Vietnam. Warren led his platoon on a patrol through a rubber plantation. After coming under heavy enemy fire, he led several of his men toward the fire. An enemy grenade landed in the midst of his team, just as Warren was preparing to throw his own. He fell on the enemy grenade and saved three lives.