Mustang Field, four miles south of El Reno, Oklahoma. The year is 1943. Young men are learning to fly the Fairchild PT-19 — open cockpit, wood-winged, beautiful and demanding — over the flat prairie of Canadian County.They didn’t just materialize. Somebody had to get them there. And this, it turns out, is one of the most fascinating stories we get to tell here at The Caldwell Collection.