(27180000000, Richard T. Knowles Collection, The Vietnam Center and Archive, Texas Tech University)
LZ X-Ray Battle
- Books, Articles
* Pleiku, the Dawn of Helicopter Warfare in Vietnam, J.D. Coleman, St. Martin's Press, New York, 1988.
* We Were Soldiers Once… and Young, General Harold G. Moore and Joseph L. Galloway, Random House, New York, 1992.
* "First Strike at River Drang", Military History, Oct 1984, pp 44-52, Per. Interview with H.W.O Kinnard, 1st Cavalry Division Commanding General, Cochran, Alexander S.
* The Siege of Pleime, Project CHECO Report, 24 February 1966, HQ PACAF, Tactical Evaluation Center.
* Silver Bayonet, Project CHECO Report, 26 February 1966, HQ PACAF, Tactical Evaluation Center.
- Viet Cong