In Gundam Sentinel, most of the background story of the unit was told. The MSZ-006 Ζeta Gundam (Zeta Gundam, codename: "ζ Gundam") is the fourth mobile suit built by Anaheim Electronics as the culmination of the Project Zeta according to the Gundam Sentinel list of Anaheim Gundams. The design served as the first TMS in real life, and the concept served as the basics of various mobile suit designs later in other Gundam series, including a simplified transformation of the XXXG-01W Wing Gundam according to the model instruction manual of the Wing Gundam.
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