Image depicts a soldier of the U.S. 11th Armored Cavalry Regiment on duty along the inter-zone German frontier during the Cold War.
Soldiers magazine (according to the books illustration courtesy index)
<i>American Military History, Volume II.</i> Richard W. Stewart (Editor), Center of Military History, United States Army, Washington, D.C., 2005, p 403. Image downloaded from <a rel="nofollow" class="external free" href="http://www.history.army.mil/books/amh-v2/amh%20v2/p403.jpg">http://www.history.army.mil/books/amh-v2/amh%20v2/p403.jpg</a>.