Free association:

Freighter → Ship → Spaceship
Ascension → Rapture → Heaven → Space
MM Ascension → Cube
Pirate Captain → Pirate → Brigand → Bad Guys™ → ...(lost in translation)... → Borg

= Borg Cube

It is fantastic how well you're sticking to your theme, love it. Bring the juice I'm waiting (for your next update)!!