Usean F-15S

With a robust aviation industry, Usea would notably proceed with indigenous efforts to update its F-15 fleet. Created in parallel with Osea's F-15S/MTD efforts, the Usean F-15S debuted in 1994 as an advanced air superiority variant. Markedly in the 4.5 Generation, it was meant to counter types like the Su-37. It shares similar modifications such as upgraded avionics and canards for increased agility. Most notably, the Block II airframes are equipped with a pair of F120 engines with thrust vectoring capability. With the exception of stealth, the F-15S closely approaches the regime of the F-22, at half the cost.