Yeah, it was in this article too: > Petrov's decision was based partly on a guess, he recalled. He had been told many times that a nuclear attack would be mass

Yeah, it was in this article too: > Petrov's decision was based partly on a guess, he recalled. He had been told many times that a nuclear attack would be massive – an onslaught designed to overwhelm Soviet defenses at a single stroke. But the monitors showed only five missiles. "When people start a war, they don't start it with only five missiles," he remembered thinking at the time. "You can do little damage with just five missiles."