Navy cheating follows scandal at Air Force nuclear base over proficiency exam . The U.S. military has been plagued by a series of embarrassing incidents involving its nuclear weapons and missile programs. About 30 people have lost their authority to perform certain duties .
Navy cheating follows scandal at Air Force nuclear base over proficiency exam . The Navy case involves enlistees testing to use nuclear reactors that power ships and subs . About 30 people have lost their authority to perform certain duties .