I assembled the recently re-released (I believe) HGUC ZZ Gundam and, as usual, created a hand-drawn digital diorama and a mobile suit explanation.

(It includes my own interpretations, but I hope you enjoy that as well.)

Also, for those who are planning to assemble this kit, I have a kit review available, so please take a look if you're interested. Many researchers propose that the reason the MSZ-010 ZZ Gundam fought the First Neo Zeon War with those specifications was the "revival of the weapon package that existed on the RX-78-2 Gundam." Indeed, the two mobile suits are similar...

Mission "Double Zeta" | gappon's Gunpla works