Part 30: Level 26 - Pluto Military baseLevel 26 - Pluto Military base -- Blip.TV Polsy YouTube Download
Featured music -- "Here Is the Source of the Invaders", "Inside Mission", "Big Ducker", and "Last Boss" from Gradius Gaiden Original Soundtrack by Konami
It's the penultimate mine of the game and it is full of grated passageways that allow you to see into other rooms, but the robots can see you too. A robot generator produces Minibosses right from the beginning, and several more populate the rooms that the tunnels are placed in. Though the fusion cannon blast is large, it can still travel through the grating, so be careful when flying through these corridors.
Now, only the Charon Volatile Mine remains...