Complex sentence: Notable among these might be the F-14 Tomcat, the F-5 Freedom Fighter, and the F-4 Phantom II. Numerous enhancements and upgrades were also built into the design from an early stage.
Split into simpler sentences: Notable among these are the F-14, the F-5 Freedom Fighter, and the F-4 Phantom. Numerous enhancments and upgrades were also built into the design from an early stage.