The secrecy normal to USN submarine operations was heightened by Rickover's personal involvement, and he shared details of "NR-1" operations on a need-to-know basis.
Rickover shared details of "NR-1" operations on a need-to-know basis. The secrecy normal to USN submarine operations was heightened by Rickover's personal involvement.
The secrecy normal to USN submarine operations was heightened by Rickover's personal involvement. Rickover shared details of "NR-1" operations on a need-to-know basis.
The secrecy normal to USN submarine operations was heightened by Rickover's personal involvement. Rickover shared details of "NR-1" operations on a need-to-know basis.