We still had literal duck-and-cover drills in school long into the mid '80s. New York area. File into the hallway, face the wall, kneel on the ground with you

We still had literal duck-and-cover drills in school long into the mid '80s. New York area. File into the hallway, face the wall, kneel on the ground with your head in the corner between the floor and wall, put your hands behind your neck, kiss your ass goodbye.