A potential follow-up, the Super Tomcat 21 (ST21), would have offered advanced features, but the Navy chose the F/A-18E/F Super Hornet instead, retiring the F-14 in 2006. Super Tomcat 21 ...
The Proposal Grumman proposed that the ST21 be powered by GE F110-GE-129 engines, thereby maintaining the F-14’s excellent supercruise function. While in supercruise, the F-14 could fly at ...