Super-invincible satellite cannons that make light work of any enemy's defenses. Also known as Star-Blasting cannon. It's a sub weapon for Steve. Tips about the blueprint can be obtained from Nommid. He is at Vedan: Rockbelter Mine/ Station. From the station's transporter head north to find him at the second bend. Once manufactured this item will be on sale at Kayo's shop. The earliest time you can develop this item is by chapter 11.