$7.2bn US Defense Equipment Backlog Leaves Japan's Military Operating Aging Systems

Japan's military readiness faces significant strain due to prolonged delays in receiving $7.2 billion worth of U.S. defense equipment, with critical systems languishing in procurement limbo for over five years. An official investigation reveals 118 undelivered orders originally contracted to bolster Japan's defense capabilities now threaten operational effectiveness.

Photo: Japanese E-2D early warning aircraft awaiting delayed equipment. (Konosuke Urata/Nikkei Asia)

The backlog includes vital components for advanced platforms like the E-2D Hawkeye early warning aircraft, where delivery delays forced the Air Self-Defense Force to scavenge parts from older airframes. This stopgap approach exemplifies broader operational compromises as units maintain aging equipment beyond intended service life.

Financial implications compound tactical challenges: Extended storage fees, maintenance overruns, and potential contract renegotiations could inflate the original ¥1.14 trillion price tag. Defense analysts note the timing exacerbates regional security concerns amid China's naval expansion and North Korean missile tests.

Procurement bottlenecks reportedly stem from U.S. production constraints and complex export controls. While Japan explores European defense partnerships as alternative sourcing, officials confirm urgent talks with Washington to prioritize pending deliveries. The delays highlight structural vulnerabilities in Japan's military supply chain as geopolitical pressures mount.

The Ministry of Defense now faces difficult tradeoffs between extending legacy systems and delaying next-generation capabilities. With nearly 10% of major equipment acquisitions affected, the backlog signals systemic challenges in meeting Japan's accelerated defense spending targets outlined in its 2023 security strategy overhaul.