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report_year
int64
source_document
string
finding_type
string
baseline_cost_usd_m
float64
actual_or_revised_cost_usd_m
float64
variance_pct
float64
description
string
1,994
GAO T-NSIAD-94-167 (Doc 1)
lifecycle_cost_projection
null
13,100
null
Projected total lifecycle cost at program inception: $13.1 billion
1,994
GAO T-NSIAD-94-167 (Doc 1)
ioc_timeline
null
null
null
Initial Operational Capability projected at 12 years from program start (c. 2006)
1,994
GAO NSIAD-94-107BR (Doc 2)
flight_test_cost
2
20
900
One flight test estimated at $2M actually cost more than $20M (>900% overrun)
1,994
GAO NSIAD-94-107BR (Doc 2)
unit_cost
null
null
null
Unit cost estimates already rising from original baseline by 1994
1,994
GAO NSIAD-94-107BR (Doc 2)
test_series_cost
null
null
null
Full flight test series costs substantially exceeded Congressional budget projections
2,007
GAO-07-387 (Doc 7)
program_restructure
null
null
null
Program restructured multiple times 1994–2007; each restructure reset cost baseline
2,007
GAO-07-387 (Doc 7)
acquisition_cost
null
null
null
Acquisition cost growth documented across EMD, LRIP, and full-rate production phases
2,007
GAO-07-387 (Doc 7)
open_recommendations
null
null
null
Multiple unresolved recommendations from earlier GAO reviews still pending
2,007
GAO-07-387 (Doc 7)
test_adequacy
null
null
null
GAO flagged insufficient operational testing before full-rate production decision
2,022
GAO-22-104344 (Doc 8)
open_recommendations
null
null
null
61 GAO recommendations to DoD on THAAD unaddressed as of 2022
2,022
GAO-22-104344 (Doc 8)
cost_growth_cumulative
null
null
null
Cumulative cost growth from original 1994 baseline documented across all phases
2,022
GAO-22-104344 (Doc 8)
interceptor_unit_cost
null
null
null
Per-interceptor cost significantly higher than original program estimates
2,022
GAO-22-104344 (Doc 8)
software_deficiencies
null
null
null
Software reliability and testing gaps identified; open action items as of 2022
2,022
GAO-22-104344 (Doc 8)
schedule_slip
null
null
null
Multiple schedule slips documented; IOC achieved 2008 vs projected 2006
2,025
GAO-25-108187 (Doc 9)
current_program_cost
null
null
null
Most recent GAO assessment of program cost status; ongoing cost growth trajectory
2,025
GAO-25-108187 (Doc 9)
production_rate
null
null
null
Production rate constraints limit interceptor inventory replenishment speed
2,025
GAO-25-108187 (Doc 9)
supply_chain_risk
null
null
null
Single-source suppliers for critical components identified as risk factor
2,025
GAO-25-108187 (Doc 9)
open_recommendations
null
null
null
Subset of 61 prior recommendations still unresolved at 2025 review
2,026
CRS IF12645 v15 (Doc 6)
emergency_supplemental
null
3,100
null
$3.1B emergency supplemental appropriated post-Epic Fury to replenish inventory
2,026
Lead IG OIR Q2 FY2026 (Doc 13)
operational_cost
null
null
null
Operational costs during Epic Fury engagement documented in Q2 FY2026 IG report

THAAD Program Cost Findings (GAO)

Cost estimation, baseline vs. actual costs, and variances from four decades of GAO oversight of the THAAD program.

Source Book

THAAD: The Complete Documentary Record (ISBN 9798259506107)
Nimble Ultra Documentary Edition — 13 primary-source U.S. government documents, 1994–2026.

BigFiveKiller.online catalog page

Schema

Column Description
report_year
source_document
finding_type
baseline_cost_usd_m
actual_or_revised_cost_usd_m
variance_pct
description

Example LLM Queries

  • How much did THAAD cost compared to original estimates?
  • How many GAO recommendations on THAAD are still unaddressed?
  • What is the most recent GAO finding on THAAD cost growth?

Data License

All source documents are works of the United States Government (17 U.S.C. § 105) and are in the public domain.

Auto-created by Nimble Books DiD pipeline — see wfzimmerman/ namespace for related datasets.

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