In an expansive report released earlier this month, the US Government Accountability Office (GAO) has unveiled a disconcerting state of affairs regarding the mission capability of the country’s prized F-35 fighter jets.

According to a 96-page report, the investigative agency found that as of March 2023, only slightly more than half of the F-35 fleet was considered “mission capable,” marking a mission capability rate of approximately 55 percent.

This revelation falls dramatically short of the established targets for the F-35 program, which aimed for a mission capability rate of 90 percent for the F-35A variant and 85 percent for both the B and C variants. The GAO report identifies several key factors contributing to this underwhelming performance.

Maintenance Challenges at the Core

The US Government Accountability Office points to depot and organizational maintenance challenges as the principal culprits behind the F-35’s subpar mission capability rate. The report notes:

“The program was behind schedule in establishing depot maintenance activities to conduct repairs. As a result, component repair times remained slow with over 10,000 waiting to be repaired – above desired levels.”

Moreover, the shortage of spare parts for F-35s within the US military and an alleged overreliance on contractors were identified as significant contributing factors to the fleet’s low mission capability rate.

F-35A
Two US Air Force F-35A Lightning IIs (Image source: DVIDS)

F-35: The Cornerstone of Defense

The F-35 Lightning II aircraft, often referred to as the F-35, represents the pinnacle of the Department of Defense’s (DOD) fighter aircraft capabilities.

Currently, the DOD operates and sustains approximately 450 F-35s, with ambitious plans to acquire an additional 2,000 aircraft by the mid-2040s.