sentences:  The Army also established a signal corps training school on the Evanston campus and a civil affairs training school on the Chicago campus.The Midshipmen's Training School was the largest of these programs and was established in the newly constructed Abbott Hall dormitory on the Chicago campus in 1940.This school graduated 25 classes of "90-day wonders" (a total of 26,750 ensigns) by the end of the war, including future President John F. Kennedy.