The aerial landing platform, also referred to as a sky-base or skybase, was a type of starship used by the Galactic Empire that served as a staging area for invading planetary forces. In 18 BBY, they were deployed to Mon Cala to quell an uprising, following the destruction of all surface cities on the planet.
Behind the scenes
The aerial landing platform was first mentioned in Darth Vader (2017) 14 and later appeared in Darth Vader (2017) 15. Both comics were released in 2018 and were authored by Charles Soule and penciled by Giuseppe Camuncoli.