The nuclear ones, to some extent. The Nuclear Energy Institute claims nearly 9,000 "well-armed and highly trained" security officers guard them,. There are 54 commercially operating nuclear power plants, which means an average of 166 per plant. However, they there are 168 hours a week, so at 40 hours per person per week it takes 4.2 people just to have 1 person always available and that isn't considering vacations, so in practice they will have less than 40 people available at any time.
The nuclear ones, to some extent. The Nuclear Energy Institute claims nearly 9,000 "well-armed and highly trained" security officers guard them,. There are 54 commercially operating nuclear power plants, which means an average of 166 per plant. However, they there are 168 hours a week, so at 40 hours per person per week it takes 4.2 people just to have 1 person always available and that isn't considering vacations, so in practice they will have less than 40 people available at any time.