safebooruhttps://safebooru.org/index.php?page=atom&tags=1970s (style) 1980s (style) army bazooka (gundam) beam cannon concept art energy cannon fleet gun gundam key visual machine gun machinery mecha mobile suit mobile suit gundam musai no humans o'neill cylinder official art ookawara kunio painting (medium) production art promotional art retro artstyle robot scan science fiction shield shoulder spikes space space station spacecraft spikes traditional media turret weapon zaku ii zeon zero gravity2024-05-17T11:32:52Zsafebooru