Numerous variants are already developed in excess of the fighter’s lifespan. These have integrated the T-45A, that's a two-seat variant also used by the US Marines, and also the T-45C, an upgraded version that has a glass cockpit and other augments, which currently serves like a design for T-45s still https://blogfreely.net/growthdew93/the-smart-trick-of-american-fighter-planes-ww2-that-nobody-is-discussing