Oct 3, 2018 1 min read

Reviewing a Cold War fallout shelter plan are, from left: William O’Mara of St. Bernard Church, firefighter James Wood and Donald Simpson of the Army Corps of Engineers. Believing fallout would take 20 minutes to reach Mt. Lebanon from Pittsburgh, the 10-minute drill was instituted, in which children living within 10 minutes of the school would be sent home, and the remaining children would stay at school.