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T1 is the secondary antagonist in Terminator 3: Rise of the Machines and returns in Terminator Salvation as a minor antagonist.

Creation and Operational History

T1 is the first Terminator class robot to be produced by Cyber Research Systems. Designed for extreme combat, the Series 1 was built to clear battlefields of enemy troops with its powerful weaponry. The T-1 was originally built in limited numbers, each individually numbered and stored under individual anti-static dust coverings. Cyberdyne created this first-generation fully autonomous ground offensive system in 2003 as part of their program to re-create the work of the late Dr. Miles Bennett Dyson.

The design of the HK-Tank was an evolution of the T-1, while the concept of T-835 may originate from the T-1.