A new 25mm round for the F-35

[El Cid]

Nitpick: The F-16ADF (Air Defense Fighter) variant fielded by the Guard/Reserve in the 1980's had AIM-7 capability.

Interesting. I knew they experimented with a version that carried the AIM-7's on the landing gear doors. Didn't realize it was ever made operational. They also had a version with the canards on the mouth of the intake that allowed for some crazy maneuvers (i.e. flying straight while moving the nose off axis). My favorite version (when I was in high school and didn't yet realize what a waste of resources it is) was the F-16XL. If I recall it lost to the F-15E for the interdiction role.

[Slater]

The ADF didn't last all that long in service - the end of the Cold War kind of short-circuited it's career. BTW, the ADF competition was the F-20 Tigershark's last gasp. Losing that contract put the final nail in it's coffin.