I wasn't afraid of terrorists or people making bombs, I'm not American. I was worried about a truck or train crashing and showering an area in nuclear waste.

> The cask systems are designed to handle a wide range of severe environmental conditions, including earthquakes, flooding, extreme temperatures, and tornadoes. This includes objects that may impact the cask at high speed, such as during a tornado.

I suppose that means they withstand a car crash too.