That enormous cannon seems like a little much considering that the A-10 witches only have 7.62mm miniguns, but then again some of the canon ground attack witches have apparently wielded cannons as large as a 37mm.
An variant of the F-4G "Phantom II" which is the primary Striker Unit of the Navy of the Federal Republic of Karlsland. It has significant upgrades to the propulsion and electronics systems, and was the earliest F-4 variant to sport AAMRAM in practical situations, enhancing its traditional role in wild weasel operations. Inspired by the Ju-87G "Kanonenvogel" from the great war, the UMK-85 "Salamander" autocannon, developed as an exclusive accessory, allows it to demonstrate superiority in air-to-air and air-to-surface situations.
Sparrow / AMRAAM AAMShrike / HARM AGMMk.81 / Paveway I BombLANTIRN PodMk. 82 / Paveway II BombUMK-85 "Salamander" 20mm autocannon, equippedFederal Republic of Karlsland Navy carrier-based attack Striker Unit
F-4GKL "Seegeist"Sidewinder AAMUMK-85 20mm autocannon