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unit level.
(9) Review results and recommendations of available ILA and ULA and related software
and physical security analyses.
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DoDM 3150.02, January 31, 2014
(10) Examine surety-related use control matters in the context of the second nuclear
weapon system surety standard.
(11) Examine surety-related security matters in context of the fourth nuclear weapon
system surety standard.
c. Determinations. The NWSSG will determine if the nuclear weapon system is being
operated in a manner that meets DoD nuclear weapons surety policies and standards.
(1) If the system meets the policies and standards, the NWSSG will draft, if applicable,
new safety rules or changes to current safety rules, or recommend other positive measures to
further ensure maximum safety consistent with operational requirements.
(2) If the system may not be verified to meet the policies and standards, the NWSSG
will:
(a) Draft safety rules, or other positive measures stating their benefits, that will
permit continued operations.
(b) Determine operational impacts if the safety rule or other positive measure is not
adopted.
(3) If the system does not meet the policies and standards, the NWSSG will determine
nuclear weapon system limitations and constraints that do not allow safe operation of the system
and either:
(a) Determine draft safety rules or other positive measures that will allow the system
to meet the standards; or
(b) Draft safety rules that permit continued operations with an identified vulnerability
while maximizing nuclear weapon system safety consistent with operational requirements.
(4) In cases where a weapon system does not meet or cannot be verified to meet the
policies and standards, the NWSSG also will identify:
(a) Affected part(s) of the STS.
(b) Applicable accident scenario(s), abnormal environment(s), or other factors
causing nonconformance with the nuclear weapon system surety standards, including:
1. Plausible sequences of events that may lead to those undesirable situations.
2. System response(s), if known, to the abnormal environment or other factors
causing nonconformance with the standards (e.g., nuclear yield, high-explosive detonation, pre-
30 APPENDIX 1 TO ENCLOSURE 3
DoDM 3150.02, January 31, 2014
arming, launching, or releasing). Credible combinations of abnormal environments should be
identified where possible.
3. Procedures and hardware, if any, that are identified as deficient.
4. Specific limitations imposed on system operations will be identified and
justified in the safety rules package.
(5) If hazardous conditions exist, the NWSSG Chair may recommend immediate
constraints on nuclear weapon system operations or cessation of operations for the nuclear
weapon system. If such action is recommended, the Military Department will be notified
through the fastest means of communication. Notification will include all minority opinions.
The NWSSG must also recommend the conditions that must be satisfied before operations may
resume.
d. Reporting Requirements. The NWSSG will prepare an NWSSG report, in accordance
with the format specified in paragraph 7j of this appendix.
(1) The record paper copy report must be signed by all members participating in the
safety study or operational review. The NWSSG report will not be changed following the
signature of the NWSSG members other than to correct administrative errors.
(2) The report will be forwarded to the Military Department within 2 weeks following
completion of the study. Copies of the NWSSG report will be distributed by the responsible
Military Department to NWSSG member organizations within 30 days.
(3) For those studies where no safety rules are changed by the NWSSG, the Military
Department may submit a letter to the ASD(NCB) and CJCS certifying the current rules are
sufficient.
e. Post-Study or Review Requirements
(1) On receipt of the NWSSG report, the Military Department will:
(a) Notify the ASD(NCB) of the completion of the study.
(b) Approve or disapprove, within 90 days, with applicable rationale, the findings
and recommendations in the NWSSG report. The Military Department may require the NWSSG
to provide additional information. A corrective action will be identified for each approved
recommendation, as appropriate.
(c) Use the NWSSG report, including minority reports, as the basis for preparation of
the Military Department NWSSG report and a safety rules package, in accordance with the
formats specified in this section as applicable.
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DoDM 3150.02, January 31, 2014
(2) The Military Department will distribute the NWSSG report in time to support the
coordination of the safety rules package to the ASD(NCB), the NWSSG member organizations,
the Office of the CJCS, and the Military Department nuclear weapon system LPO (or managers,
as applicable).
f. Military Department Safety Rules Package. When the NWSSG report includes draft
safety rules or changes to existing safety rules, the Military Department will, simultaneously
with the preparation of the NWSSG report, prepare the Military Department safety rules package
for separate coordination and approval. The format for the safety rules package is in this
appendix. Proposed alterations to the safety rules package during Military Department
processing must be coordinated through and concurred with by the NWSSG membership
convened for the subject study or review.
(1) Every effort will be made to ensure timely and responsive coordination and approval
of nuclear weapon system safety rules, including:
(a) Military Department coordination of safety rules package. The Military
Department may elect, through the NWSSG Chair, to reconvene the NWSSG to address
unresolved issues.
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