Turner, Earl M. survey sheet - handwritten     On front of survey: Date of Enlistment: May 9, 1918 Military Camps to which went: * Carnegie Institute of Technology Units to which belonged: * 297 Aero Squadron Date of trip overseas: -- Service there: -- Date of return: -- Date of demobilization: Jan. 14, 1919 Honors received: -- On reverse of survey: "Entire enlistment devoted to experimenting, testing & developing wireless telephone perfection in in connection with aeroplane work, the progress of which, in just the duration of the war, ranged from crude elementary experiments & probable ideas, to thorough undisputed knowledge and ability to send a message anywhere on the globe, under any weather conditions, at the rate of 300,000,000 [metus? metres?] (186,500 miles) per second.