AR 50-5 governs the Army Nuclear Surety Program, the Nuclear Personnel Reliability Program, and related evaluations and inspections.
View AR 50-5 on armypubs.army.mil
It covers nuclear surety safeguards, personnel certification, two-person teams, nuclear surety inspections, and issue resolution. It also requires internal controls to be tested and evaluated at least once every 5 years.
The intent of the Army Nuclear Surety Program is to prevent nuclear weapons and SNM involved in accidents or incidents from producing a nuclear yield and to mitigate the release of dangerous radioactivity. (paragraph 1-6)
All personnel working in and around nuclear weapons and SNM are responsible for the safety of the associated material, systems, and devices. (paragraph 1-6)
A two-person team consists of at least two personnel, authorized and verified by their commander or mission director, and meet the listed intent and requirements. (paragraph 1-6)
Answers that indicate deficiencies must be explained and corrective action identified in supporting documentation. (paragraph 2-6)