Part 5/7:
The Dominance of F-135 Engines
The F-135 engine has become a cornerstone of military engine spending, making up nearly 39% of military obligations during fiscal years 2019 to 2021. A growing focus has shifted toward service contracting, particularly concerning sustainment—a trend that emerged following a decade of decline. Investments aimed at enhancing sustainment performance and reducing lifecycle costs are now receiving significant attention from defense analysts and policymakers alike.