Rad Zone

The Rad Zone is a region of space in the Marvel Comics portion of the Generation One continuity family.

The Rad Zone was where Grimlock stored a fleet of stolen Decepticon ships, including the Graviton.The Last Autobot?

Whether or not this zone wants to tell you about the Transformers remains to be seen.

From Teletraan I: The Transformers Wiki, a Wikia wiki.