Well without a reactor related fatality anyway. There was The Thresher incident.
But you are quite correct. Maybe they should let the Navy go into the electrical power generation business for profit. Their safety record is spotless. You know they won't cook the books.
And as a bonus the Navy could afford all the toys they wanted.
L
Good idea.
Build floating nukes in ships/barges that can be docked in harbors and rivers, and "plugged into" onshore substations.