Not the US Navy, but there was this incident: https://en.wikipedia.org/wiki/Chalk_River_Laboratories#1952_NRX_incident https://en.wikipedia.org/wiki/Chalk_Rive

Not the US Navy, but there was this incident: https://en.wikipedia.org/wiki/Chalk_River_Laboratories#1952_NRX_incident https://en.wikipedia.org/wiki/Chalk_River_Laboratories#1952_... you may have heard of the US Navy officer in charge of the cleanup. His name was Jimmy Carter. Also, the US Navy's record at Hunter's Point in San Francisco is abysmal.