Aberdeen Proving Ground is a military base on the edge of town, where they test a lot of explosives. You could often hear and feel them testing explosives even in my town 8 miles away. As a kid, I was freaked out by it all, so my Mom explained the testing to me, and I found this reassuring. Eventually whenever I heard the noise, I'd comfort myself by saying "it's okay, it's just Aberdeen."
Well my aunt, uncle, and cousins were over our house one day. My cousin Ryan (who was always a bit gassy