Brendan I. Koerner War Quotations

The hazards posed by Near-Earth Asteroids are assessed by Sentry, a computer system developed by the Near-Earth Objects Group at NASA's Jet Propulsion Laboratory in Pasadena, Calif. The software factors together a cosmic rock's coordinates, distance, velocity, and gravitational influences to calculate its trajectory.

Like many of his fellow skyjackers, 49-year-old Arthur Gates Barkley was motivated by a complicated grievance against the federal government. In 1963, the World War II veteran had been fired as a truck driver for a bakery, after one of his supervisors accused him of harassment.

I was vaguely aware that people used to hijack planes to Cuba. But I didn't know much about how often it happened and what the motives were. I started looking into what was going on back then, and I was blown away by how common hijacking once was.