Imagine the courage of a U.S. aircrew whose plane is rocked by explosions at 26,000 feet. The engines smoking, wounded crying, pilots desperately trying to control the falling craft, secretly unsure whether to shout the dreaded order: "Bail out " A final moment of terror occurs when fighter planes suddenly appear alongside the stricken craft-and then a sigh of relief. The agile fighters are marked with the white cross of Switzerland. The crippled...