In early May 1961, a U.S. military aircraft taxied toward a well-guarded terminal building. The plane slowed to a halt; steps were maneuvered up to its side, and the door was pulled open. The tropical night air was heavy and dank, and the moon shone dimly through high thin clouds. On board the aircraft were ninety-two members of a specially selected team. The men were dressed in indistinguishable dark suits with white shirts and dark ties, and each man carried a new red U.S. diplomatic passport inside his breast pocket. The men held copies of their orders and records in identical brown...

In early May 1961, a U.S. military aircraft taxied toward a well-guarded terminal building. The plane slowed to a halt; steps were maneuvered up to its side, and the door was pulled open. The tropical night air was heavy and dank, and the moon shone dimly through high thin clouds. On board the aircraft were ninety-two members of a specially selected team. The men were dressed in indistinguishable dark suits with white shirts and dark ties, and each man carried a new red U.S. diplomatic passport inside his breast pocket. The men held copies of their orders and records in identical brown...