Various variants have already been developed about the fighter’s lifespan. These have included the T-45A, which is a two-seat variant also utilized by the US Marines, plus the T-45C, an upgraded Model that has a glass cockpit and other augments, which currently serves to be a product for T-45s still https://www.saludcapital.gov.co/sitios/VigilanciaSaludPublica/Lists/Contactenos/DispForm.aspx?ID=756292