The 90th & 91st Aero Squadrons: Two Accounts of American Pilots and Aircraft During the First World War-The Ninetieth Aero Squadron American Expeditionary Forces by Leland M. Carver, Gustaf A. Lindstrom and A. T. Foster & History of the 91st Aero Squadron

The U. S Army's 'eyes in the sky' on the Western Front

The enormous loss of life among European populations in the First World War created a sense of national sacrifice which is memorialised in virtually every city, town and village. So it is understandable why Europeans have viewed the Great War as their conflict to the detriment of the contribution made by the United States of America, which joined the Allied cause in April 1917 when the fighting had taken its toll for almost three years....