Mk XII "Hydra" Multiturret
Mk XII "Hydra" Multiturrets are anti-aircraft turrets used and presumably designed by the Galactic Federation. The dual-cannon turrets are placed as a defensive measure on Norion. These weapons appear only in Corruption and are only seen by Samus in Docking Hub Alpha, where they were activated to fend off Space Pirate attacks. These turrets disallow Pirates to easily land on the planet. They aim at enemy aircrafts automatically, much like the Pirates' Tiamat-Class Cannon. Details of previous versions of "Hydra" turrets are unknown. The G.F.S. Theseus, a Griffin-class ship appears to be equipped with two Mk XII "Hydra" Multiturrets visible on the second deck.
- By using the Moonjump hack, a third, scannable Mk XII "Hydra" Multiturret is visible in Docking Hub Alpha on a structure behind the G.F.S. Enkidu. This third Multiturret cannot be seen or scanned normally.
- The "Hydra" Multiturrets are distantly visible from Cargo Docks A and B.
- "Mk XII "Hydra" Multiturret. Turret has two rail cannons ready. Unit's targeting system engaged." —Scan of "Hydra" Multiturret (Metroid Prime 3: Corruption)