Just use GE engine for both new Eagle and Vipers (if we really get Vipers too).
We will get them faster this way.
PW 229 isn't really same with 220 or interchangeable between new and old Vipers anyway.
Also we will be big GE customers in the future (T50 and IFX) so why not we try to get a...
Kalau ada perang dunia 3, kayaknya F16 bakal jadi P40 warhawk masa kini.
Mungil, murah, caplable, produksi terbilang "simple", sudah diproduksi ribuan.