In preparation for the upcoming battle with the Titans, the Hyaku Shiki and Methus are given the prototype Mega Launcher, a tactical weapon *Mega Bazooka Launcher*, by La Vie en Rose and head out to test fire it.
The data from this test firing would go on to develop the Mega Bazooka Launcher, and later the Mega Rider.
This is purely fictional, but I think it's fun to fantasize about it☆While I was creating this pose, Captain Quattro's words kept running through my head lol

##Aargama! Fire the prototype mega launcher! | ハリー・ストレイカー's Gunpla works