Terrorism and its manifestations continue to evolve, becoming deadlier and more menacing. This study considers the evolution of terrorism since 1968 and how airlines and governments have attempted to deal with this form of violence through a series of nonforce strategies. Using historical examples, we see how governments, particularly the United States, attempted to counter politically motivated aerial hijacking with metal detectors, legal means, and, finally, in frustration, counterviolence operations to subdue terrorists. As nations witnessed aerial hijacking and sieges, the requirement...