Mark R. Henry is a lifelong student of military history and an experienced re-enactor of many periods. He served in the US Army as a signals officer 1981-90, in Germany, Texas and Korea. He holds a BA degree in History and is studying for his Master's; and currently works in the US Army museum system. His special interest lies in the United States armed forces of the 20th century.Stephen Walsh studied art at the North East Wales Institute. Since then he has worked mainly for the American historical board-game market, fulfilling a lifelong interest in historical subjects. His American works include the best-selling Settlers of Catan. He has also produced many pieces of artwork inspired by J R R Tolkien. He is married with two children and lives in Macclesfield.

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• The US Army in 19141916: the National Defense Act - expansion of the regular forces1917: mobilisation of the National Guard1917: the Selective Service Law - conscriptionThe American Expeditionary Force - from 'triangular' to 'square' unit structure - divisional organisation - commandCampaign summaryPost-Armistice operationsUniforms & insigniaEquipmentWeapons

Mark R. Henry is a lifelong student of military history and an experienced re-enactor of many periods. He served in the US Army as a signals officer 1981-90, in Germany, Texas and Korea. He holds a BA degree in History and is studying for his Master's; and currently works in the US Army museum system. His special interest lies in the United States armed forces of the 20th century.Stephen Walsh studied art at the North East Wales Institute. Since then he has worked mainly for the American historical board-game market, fulfilling a lifelong interest in historical subjects. His American works include the best-selling Settlers of Catan. He has also produced many pieces of artwork inspired by J R R Tolkien. He is married with two children and lives in Macclesfield.

Select Guide Rating

• The US Army in 19141916: the National Defense Act - expansion of the regular forces1917: mobilisation of the National Guard1917: the Selective Service Law - conscriptionThe American Expeditionary Force - from 'triangular' to 'square' unit structure - divisional organisation - commandCampaign summaryPost-Armistice operationsUniforms & insigniaEquipmentWeapons