Thunderbolt is a mod focused on naval air operations. Year 2023. The 3rd world war started three months ago, devastating many countries and peoples. The great part of the land forces engaged in this terrible war have almost all disappeared, only the naval and air forces have been able to resist the horror of this war. You will be in command of gigantic naval and air fleets, your respective country's last hope to win the war.
The ASF-X Shinden II (震電Ⅱ, "Magnificent Lightning") is a next-generation combat aircraft. In the Assault Horizon universe, the aircraft was a prototype for the active service variants, collectively known as the F-3 Shinden II, developed to protect Japan airspace.