US President Trump’s visit to Ankara during the NATO summit may pave the way for Turkiye to acquire F110 fighter jet engines crucial for its KAAN stealth fighter project. Analysts believe Trump's previous promise to make Erdogan “very happy” signals a potential release of approximately 40 F110 GE engines previously stalled. These engines are currently used in KAAN prototypes, but increased supply is needed to advance the program, intended to replace Turkiye’s F-16 fleet. While Turkiye aims to eventually equip the KAAN with a domestically-produced engine, that project remains in early stages. The potential deal, however, doesn’t resolve the existing dispute over Turkiye’s purchase of the Russian S-400 missile system, a key point of contention with the US. Talks for an additional 80 engines are ongoing, previously hindered by political obstacles linked to the S-400 acquisition.