The Convair Model 200 was a design for a supersonic vertical takeoff and landing (VTOL) fighter requirement for the United States Navy Sea Control Ship. Further versions were planned for conventional catapult launches and landing using the arresting gear.
Convair Model 200
The Pratt & Whitney F401 was an afterburning turbofan engine developed by Pratt & Whitney in tandem with the company's F100. The F401 was intended to power the Grumman F-14 Tomcat and Rockwell XFV-12, but the engine was canceled due to costs and development issues.
Pratt & Whitney F401
XFV-12A with F401 exhaust nozzle closed
An F401 in 1972, for the planned F-14B
An F401 engine for Rockwell XFV-12 prototype supersonic VTOL fighter