F-1 / T-2

The Mitsubishi T-2 and F-1 formed a Japanese supersonic training and strike aircraft family. The T-2 prepared pilots for high-speed jet operations, while the F-1 adapted the same design basis into Japan's first postwar domestically developed combat aircraft for anti-ship and ground-attack missions.

The T-2 provided advanced jet training with supersonic performance, tandem seating, and systems closer to frontline fighters than basic trainers. The F-1 removed the instructor role and emphasized weapons delivery, especially in maritime defense, where Japanese aircraft needed to threaten ships approaching the home islands.

This family is important less for export success and more for Japanese aerospace development. It helped rebuild domestic fighter design and production skills after World War II and set the stage for later Japanese programs. Its operational niche was regional defense, pilot progression, and sea-control support rather than global power projection.