Drift

Constellation-class FFG

FFG-62 · Navy · Fincantieri Marinette Marine · truncated

+10% $20.0B (2020) → $22.0B (2024)
Constellation-class FFG: cost trajectory from $20.0B in 2020 to $22.0B in 2024, +10% growth. Explore FFG-62 interactively → Download 1-page brief (PDF)
Baseline
$20.0B (2020)
Current estimate
$22.0B (2024)
Cost growth
+10%
Units
20 → 20
Quantity change
0%
Unit-cost change
+10%
IOC
2026 → 2029 (delayed)
Schedule slip
+3 yr
Cost basis
mixed
Confidence
medium · reconciled
TRUNCATION, not just growth: in Nov 2025 the Navy terminated 4 of 6 ships under contract, finishing only 2 — the 20-ship, ~$22B framing no longer holds. CBO judged the Navy estimate ~40% low. Lead delivery slipped 2026 → 2029.

Documented events

Source: GAO-25-108225 / GAO-24-106546 ("up to 20 frigates at a combined cost of over $22B", then-year procurement); CRS R44972.

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Drift — an independent project by Aous Abdo, built from public GAO, CRS and DoD sources. Cost growth has many causes; a larger number is not by itself evidence of mismanagement. How this is built · Explore the data →