Energon Ring

An Energon Ring is a type of large-scale free-floating space bridge designed for zero-gravity environments.
The Miranda II is capable of deploying an Energon Ring to create a space bridge.
Fiction
[edit]Energon cartoon
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When the Autobots first began attempting space travel, they utilized space bridge technology to quickly go from area to area rather than directly traveling to each planet individually. The Energon Ring was deployed to create another space bridge in the Autobot’s search for Unicron, but, before they were able to activate the bridge, the Decepticons assailed the group. Snow Cat blasted the bridge inoperable, and when Skyblast and Strongarm tried to repair it, they were blasted too. It wasn’t until the Autobots kept the Decepticons occupied long enough for Kicker and the two Omnicons to repair it when it finally was operable, and the Autobots were able to utilize it. Go for Unicron!