NASA Standard for Models and Simulations (7009B + Handbook)
Source: NASA-STD-7009B (2024-03-05) with NASA-HDBK-7009B (2026-02-03) (US Government work, public domain) | Chapters: 7
When to use
Reach for this pack when establishing or reviewing credibility of models and simulations that inform NASA (or NASA-like) critical decisions — criticality/intended use, M&S life-cycle planning, development pedigree and permissible uses, V&V domains, uncertainty/sensitivity, use-phase appropriateness, results assessment, and decision-maker reporting with mandatory warnings and risk acceptance.
Prerequisites: none — plain Markdown; no MCP server, API key, or licence tier needed at runtime.
How to Use This Skill
- Without arguments — load the core frameworks below.
- With a topic — ask about criticality, capability assessment, V&V domains, uncertainty, permissible use, results reporting, or handbook phases.
- With a chapter — ask for
ch01 through ch07.
Supporting files: glossary.md, patterns.md, cheatsheet.md.
Core Frameworks & Mental Models
Two-document stack
- STD-7009B: Mandatory M&S requirements (shalls) across programmatics, development, and use/reporting.
- HDBK-7009B: Implementation handbook — life-cycle phases, compliance interpretation, model/AI pedigree context, PM/Technical Authority roles.
Three-phase requirement spine
- Programmatics — intended use, criticality, plan, metrics, acceptance criteria, reviews, defects.
- Development — RWS/pedigree, CM of data/software, units, assumptions, math, limits, permissible uses, capability assessment, guidance; plus V&V and development uncertainty.
- Use and reporting — proposed use, appropriateness, inputs, setup, envelope control, messages, results assessment, risk, decision reporting.
Dual credibility assessments
| Assessment |
Primary phase |
Role |
| M&S capability |
Development / release |
How strong is the M&S product? |
| M&S results |
Use / analysis |
How credible is this analysis outcome? |
Use chain
Intended use → (develop) permissible uses + V&V domains → (operate) proposed use + appropriateness assessment.
Reporting control
Decision briefings carry warnings, uncertainty+method, assessment outcomes vs thresholds, reviews, qualifications, records, and risk-acceptance rationale — not plots alone.
Chapter Index
| # |
Section |
Key content |
| ch01 |
Scope, Criticality, Programmatics |
Intended use, criticality, plan, metrics, acceptance, reviews, defects |
| ch02 |
Development Evidence and Capability |
Pedigree, assumptions, limits, permissible uses, capability assessment, guidance |
| ch03 |
Verification and Validation |
Verify/validate shalls and domains of V&V |
| ch04 |
Uncertainty and Sensitivity |
Referent/model/use uncertainty; sensitivity records |
| ch05 |
Use and Results Assessment |
Proposed use, inputs, setup, envelope, messages, results assessment |
| ch06 |
Risk and Decision Reporting |
Analysis risk, mandatory warnings, report contents, acceptance |
| ch07 |
Handbook Life-Cycle Depth |
Phases, compliance, pedigree/AI, 7150.2 link, TA roles |
Topic Index
- Acceptance criteria / thresholds → ch01, ch06
- AI / ML models as M&S → ch02, ch07
- Assumptions and abstractions → ch02, ch06
- Capability assessment → ch02, ch06, ch07
- Criticality assessment → ch01
- Decision-maker warnings → ch06
- Defect / problem tracking → ch01, ch06
- Domain of validation → ch03, ch05
- Domain of verification → ch03, ch05
- Input pedigree → ch05
- Intended use → ch01
- Life-cycle phases (handbook) → ch07
- Permissible uses → ch02, ch05
- Proposed use / appropriateness → ch05
- Results assessment → ch05, ch06
- Risk acceptance for M&S analysis → ch06
- Sensitivity analysis → ch04, ch05
- Technical Authority / PM roles → ch01, ch07
- Uncertainty characterization → ch04, ch06
- Units and coordinate frames → ch02
- Verification → ch03
- Validation → ch03
Supporting Files
- glossary.md — M&S credibility terms with chapter references
- patterns.md — implementation patterns (When/How/Trade-offs)
- cheatsheet.md — spine, report must-haves, tells and smells
Scope & Limits
This pack covers NASA-STD-7009B (approved 2024-03-05) together with NASA-HDBK-7009B (2026-02-03) as synthesized reference notes from a two-PDF extraction (metadata pages 88 + 175 = 263 source_pages). It does not reproduce the full requirements compliance matrix verbatim, replace delegated Technical Authority direction, fully detail NPR 7150.2 software engineering requirements, or teach end-to-end probabilistic risk assessment methods (see nasa-pra / nasa-risk). US Government public domain work. No source-material download link is published.
1---2name: nasa-ms-70093description: Knowledge base from NASA-STD-7009B (Standard for Models and Simulations) with implementation depth from NASA-HDBK-7009B. Use for M&S criticality and programmatics, development evidence and capability assessment, verification/validation domains, uncertainty and sensitivity, use-phase results assessment, risk-informed decision reporting, and handbook life-cycle products. Covers STD-7009B (2024-03-05) + HDBK-7009B (2026-02-03) synthesized notes only; does not replace program-specific TA direction, NPR 7150.2 software requirements detail, or full PRA methodology.4---56<!-- argument-hint: [topic, facet, or chapter number] -->78# NASA Standard for Models and Simulations (7009B + Handbook)9**Source**: NASA-STD-7009B (2024-03-05) with NASA-HDBK-7009B (2026-02-03) (US Government work, public domain) | **Chapters**: 71011## When to use12Reach for this pack when establishing or reviewing credibility of models and simulations that inform NASA (or NASA-like) critical decisions — criticality/intended use, M&S life-cycle planning, development pedigree and permissible uses, V&V domains, uncertainty/sensitivity, use-phase appropriateness, results assessment, and decision-maker reporting with mandatory warnings and risk acceptance.1314**Prerequisites:** none — plain Markdown; no MCP server, API key, or licence tier needed at runtime.1516## How to Use This Skill17- **Without arguments** — load the core frameworks below.18- **With a topic** — ask about criticality, capability assessment, V&V domains, uncertainty, permissible use, results reporting, or handbook phases.19- **With a chapter** — ask for `ch01` through `ch07`.2021Supporting files: `glossary.md`, `patterns.md`, `cheatsheet.md`.2223## Core Frameworks & Mental Models2425### Two-document stack26- **STD-7009B**: Mandatory M&S requirements (shalls) across programmatics, development, and use/reporting.27- **HDBK-7009B**: Implementation handbook — life-cycle phases, compliance interpretation, model/AI pedigree context, PM/Technical Authority roles.2829### Three-phase requirement spine301. **Programmatics** — intended use, criticality, plan, metrics, acceptance criteria, reviews, defects.312. **Development** — RWS/pedigree, CM of data/software, units, assumptions, math, limits, permissible uses, capability assessment, guidance; plus V&V and development uncertainty.323. **Use and reporting** — proposed use, appropriateness, inputs, setup, envelope control, messages, results assessment, risk, decision reporting.3334### Dual credibility assessments35| Assessment | Primary phase | Role |36|------------|---------------|------|37| M&S capability | Development / release | How strong is the M&S product? |38| M&S results | Use / analysis | How credible is this analysis outcome? |3940### Use chain41Intended use → (develop) permissible uses + V&V domains → (operate) proposed use + appropriateness assessment.4243### Reporting control44Decision briefings carry warnings, uncertainty+method, assessment outcomes vs thresholds, reviews, qualifications, records, and risk-acceptance rationale — not plots alone.4546## Chapter Index47| # | Section | Key content |48|---|---------|-------------|49| [ch01](chapters/ch01-ms-scope-criticality-programmatics.md) | Scope, Criticality, Programmatics | Intended use, criticality, plan, metrics, acceptance, reviews, defects |50| [ch02](chapters/ch02-ms-development-evidence-capability.md) | Development Evidence and Capability | Pedigree, assumptions, limits, permissible uses, capability assessment, guidance |51| [ch03](chapters/ch03-ms-verification-validation.md) | Verification and Validation | Verify/validate shalls and domains of V&V |52| [ch04](chapters/ch04-ms-uncertainty-sensitivity.md) | Uncertainty and Sensitivity | Referent/model/use uncertainty; sensitivity records |53| [ch05](chapters/ch05-ms-use-results-assessment.md) | Use and Results Assessment | Proposed use, inputs, setup, envelope, messages, results assessment |54| [ch06](chapters/ch06-ms-risk-and-decision-reporting.md) | Risk and Decision Reporting | Analysis risk, mandatory warnings, report contents, acceptance |55| [ch07](chapters/ch07-hdbk-lifecycle-implementation.md) | Handbook Life-Cycle Depth | Phases, compliance, pedigree/AI, 7150.2 link, TA roles |5657## Topic Index58- **Acceptance criteria / thresholds** → ch01, ch0659- **AI / ML models as M&S** → ch02, ch0760- **Assumptions and abstractions** → ch02, ch0661- **Capability assessment** → ch02, ch06, ch0762- **Criticality assessment** → ch0163- **Decision-maker warnings** → ch0664- **Defect / problem tracking** → ch01, ch0665- **Domain of validation** → ch03, ch0566- **Domain of verification** → ch03, ch0567- **Input pedigree** → ch0568- **Intended use** → ch0169- **Life-cycle phases (handbook)** → ch0770- **Permissible uses** → ch02, ch0571- **Proposed use / appropriateness** → ch0572- **Results assessment** → ch05, ch0673- **Risk acceptance for M&S analysis** → ch0674- **Sensitivity analysis** → ch04, ch0575- **Technical Authority / PM roles** → ch01, ch0776- **Uncertainty characterization** → ch04, ch0677- **Units and coordinate frames** → ch0278- **Verification** → ch0379- **Validation** → ch038081## Supporting Files82- [glossary.md](glossary.md) — M&S credibility terms with chapter references83- [patterns.md](patterns.md) — implementation patterns (When/How/Trade-offs)84- [cheatsheet.md](cheatsheet.md) — spine, report must-haves, tells and smells8586---8788## Scope & Limits89This pack covers NASA-STD-7009B (approved 2024-03-05) together with NASA-HDBK-7009B (2026-02-03) as synthesized reference notes from a two-PDF extraction (metadata pages 88 + 175 = **263** source_pages). It does **not** reproduce the full requirements compliance matrix verbatim, replace delegated Technical Authority direction, fully detail NPR 7150.2 software engineering requirements, or teach end-to-end probabilistic risk assessment methods (see nasa-pra / nasa-risk). US Government public domain work. No source-material download link is published.
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