What problem does it solve? Systems engineers and acquisition professionals working on U.S. DoD programs need accurate, on-demand recall of the OUSD(R&E) MOSA guidebook (Feb 2025) — its statutory basis, five pillars, interface lifecycle, assessment tools, and contracting mechanics — without re-reading a 72-page government document mid-task. ## Core Features & Use Cases - Statutory and regulatory grounding: Covers 10 U.S.C. 4401–4403, FY2017/FY2021 NDAA, DFARS clauses, and the statute→regulation→contract chain that makes MOSA mandatory. - Implementation frameworks: Provides the five OUSD(R&E) pillars, the plan→modularize→identify→define→standardize interface lifecycle, WBS/MIL-STD-881F taxonomy, standards profiling, and API-first software guidance. - Assessment and contracting support: Details assessment tools (PART, OAAT/OAAM, KOSS, SEAM, MAUT), benefit-class metrics, DMSMS management, roadmaps, AAF pathway requirements, and CDRL/DID data-rights mechanics. - Use Case: Ask "which MOSA assessment tool should an Air Force program use" or "how does MOSA apply across the six AAF pathways" and receive answers grounded in reconstructed chapter notes, glossary, patterns, and a cheatsheet. ## Quick Start Ask the agent to explain the five OUSD(R&E) MOSA pillars and how they apply to your program's acquisition strategy.