Ulli Trey is a young Umojan Protectorate agent. She infiltrated the secret Terran Dominion weapons project, Project: Thor, located at the Simonson Munitions Factory on Korhal. The Protectorate agents had made repeated attempts to gain information from the locked down facility but failed to gain any significant information.
Ulli Trey somewhat recklessly infiltrated the Simonson factory by herself; she killed the driver of a Dominion commander and replaced him. The security checks focused on the high-ranking officer and didn't detect her infiltration. Once inside, she released nanotech micro-spies to tail the commander, as he was treated to a demonstration of the Thor project. Within a few hours Agent Trey was free and clear, carrying the information back to the Protectorate; her team was thoroughly shaken by their findings and praying that some counter could be found for such a beast.[1]