The National Nuclear Security Administration, account by account.

NNSA's four top-level appropriations from the FY2027 Congressional Justification — FY2025 enacted, FY2026 enacted, and the FY2027 request, $ in millions. The four sum to the published Total, NNSA, reconciled to the dollar. Weapons Activities is the account to watch.

FY27 Total, NNSA

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four accounts, reconciled

Topline growth

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FY2026 enacted → FY2027

Weapons Activities share

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of NNSA

Weapons Activities growth

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FY2026 → FY2027 — the surge

NNSA — the four top-level appropriations ($ in millions)

Account	FY25 enacted	FY26 enacted	FY27 request

Weapons Activities sustains and modernizes the nuclear stockpile and the production complex — pit production, tritium and enriched-uranium supply chains, and the warhead programs. Its climb is the structural shift reshaping NNSA's budget.