The Tokyo-to-New York Stratholiner swept down toward the Manhattan Municipal Airport early on a winter evening, with the port-holes gleaming all along the 300-foot length of her polished steel body. Rockets cut off well above the city in accordance with the strict American traffic regulations, she came down with half a dozen big props spinning under the drive of her powerful Diesel auxiliaries. A dozen whirling helicopters had been upthrust to take the strain. She came down to a city that lay mu