In early May 1969, the North Vietnamese Army and Viet Cong were threatening Tam Ky, the capital of Quang Tin province in northern South Vietnam. The U.S. Army unit with responsibility for that area, the 23rd Infantry Division (Americal), was unable to stem the enemy advance. Military Assistance Command, Vietnam, ordered the 101st Airborne Division to send in an airmobile brigade to destroy the enemy forces. The division chose the 1st Brigade, which went into action with its 1st Battalion, 501st Infantry Regiment, and 1st Battalion, 502nd Infantry Regiment, along with Americal’s 1st Battalion, 46th Infantry Regiment. Among the soldiers in what was officially called Operation Lamar Plain was Lt. Ed Sherwood, a platoon leader in Delta Company, 1st Battalion, 501st Infantry. In Courage Under Fire: The 101st Airborne’s Hidden…