Nuclear power plant accidents: Number three reactor of the Fukushima nuclear plant is seen burning after a blast following an earthquake and tsunami Photograph: Ho/DigitalGlobe. How often do .... Level. Definition. People and environment. Radiological barriers & control. Defence in depth. read more
There are few, I know only of the public ones. Here are the ones I am aware of: The US Army had a small battle field portable reactor, SL1. Think moving around via 18 wheeler. read more
The Chernoby l Nuclear disaster is widely considered to have been the worst power plant accident in history, and is one of only two classified as a level 7 event on the International Nuclear Event Scale (the other being the Fukushima, Daiichi disaster in 2011). read more