

EXECUTIVE SUMMARY
NASA Agency Architecture & Governance
NASA's mission is to explore the unknown
in air and space, innovate for the benefit
of humanity, and inspire the world through
discovery.
Organizational Structure:
The agency
operates through five primary Mission
Directorates:
Exploration
Systems
Development,
Space
Operations,
Science, Space Technology, and
Aeronautics Research.
The Major Projects Portfolio is defined by
NASA as any project with a Lifecycle Cost
(LCC) exceeding $250 million. These
projects represent the core of the
agency's strategic investments in
exploration, science, and aeronautics.
Portfolio Oversight
Governance is managed through the
Agency Program Management Council
(APMC)
. This body ensures that projects
meet rigorous technical and financial
benchmarks before proceeding through
Key Decision Points (KDPs).
FY2025 Key Metrics:
Total Budget: ~$25.4B
Major Projects: 40+ active
Portfolio LCC: $120B+
cumulative
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NASA Major Projects Portfolio | Executive Overview