 VFAX was revived in the 1970s as a lower cost solution to replacing the Navy and Marine Corps's fleets of F-4s, and A-7s.VFAX was directed to review the fighters in the USAF Light Weight Fighter competition, which led to the development of the F/A-18 Hornet as roughly a midsize fighter and attack aircraft.In 1994, Congress would reject Grumman proposals to the Navy to upgrade the Tomcat beyond the D model (such as the Super Tomcat 21, the cheaper QuickStrike version, and the more advanced Attack Super Tomcat 21).