Wings over the Mexican BorderAgainst a backdrop of revolution, border banditry, freewheeling aerial dramatics, and World War II comes this compelling look at the rise of U. S. combat aviation at an unlikely proving grounda remote airfield in the rugged reaches of the southwestern Texas borderlands. Here, at Elmo Johnson's Big Bend ranch, hundreds of young Army Air Corps pilots demonstrated the U. S. military's reconnaissance and emergency response capabilities and, in so doing,