HonestMOS

Got a wild idea? We build for service members — not the brass, not shareholders. If it's good, it ships.

Suggest a Feature →
← Follow the Money/By Installation
Base Spending

MCAS Iwakuni

Marines
Total Base Spending Tracked
$528.0M
Across 2 spending entries
Spending Breakdown
Operations & Maintenance
$480.0M91%
Military Construction
$48.0M9%
operations
MCAS Iwakuni — Base Operations & Maintenance (FY2025)

Annual BASOPS for Marine Corps Air Station Iwakuni, Japan — the primary forward-deployed Marine air station in the Pacific, home to Marine Aircraft Group 12, F-35B and F/A-18 squadrons, and carrier air wing elements. MCAS Iwakuni underwent a $3.7B modernization to host additional carrier air wing units relocated from NAS Atsugi. O&M supports approximately 12,000 U.S. military personnel and SOFA dependents.

MarinesFY2025Source: DoD FY2025 Installation Budget Justification
$480.0M
construction
MCAS Iwakuni — Military Construction (MILCON) FY2025

FY2025 MILCON for MCAS Iwakuni. F-35B maintenance facility expansion ($30M) and carrier air wing operations complex ($18M).

MarinesFY2025Source: DoD Comptroller FY2025 MILCON Congressional Justification
$48.0M

Base-level spending data from Military Construction (MILCON) appropriation requests, installation status reports, and Army/Navy/Air Force installation management budget justification documents.