In order to fight the Autobots more effectively on the ground, the Decepticons built a combiner team that could convert into cars. However, in order to give these Stunticons life, Megatron had to take them to Vector Sigma, a megacomputer deep within Cybertron. Vector Sigma could only be activated with a Circuit Key, which was in the hands of the ancient Autobot Alpha Trion. Megatron stole the Key and succeeded in giving life to the new team. A group of Autobots had been following Megatron, and, to counter the Stunticons, they rebuilt some old, abandoned shuttles into the Aerialbots. However, without the Key, they couldn't activate Vector Sigma. Alpha Trion then revealed that, as one of the first Transformers created, he had the ability to interface his power supply with the megacomputer. A