Japan’s F-15JSI upgrade marks a decisive and intelligent shift in Japanese airpower strategy. Instead of replacing its entire fighter fleet, Japan has modernized the proven F-15 platform with advanced radar, enhanced electronic warfare systems, and the capability to carry long-range precision weapons. This video examines how the F-15JSI functions as a cost-effective yet highly capable solution, acting as the critical bridge between today’s force and the future sixth-generation GCAP fighter. We explore its role in countering regional threats, defending the Nansei islands, complementing the F-35, and ensuring that Japan maintains strategic deterrence across the Indo-Pacific. If you want more deep military analysis on Japan, Korea, and East Asia, consider subscribing and joining the discussion.#JapanAirForce #F15JSI #JapanDefense #EastAsiaSecurity #IndoPacific #JASDF #GCAP #FighterJets #MilitaryAnalysis #NanseiIslands #AirPower