MG YMS-15 Gyan

The YMS-15 Gyan was developed by Zimmad in the late stages of the One Year War for the Principality of Zeon's second phase mainstay mobile suit development project.[1] It was designed with exceptional close combat ability in anticipation of melee combat against the Earth Federation Forces' mobile suits. However, its focus on close combat resulted in lower versatility. Ultimately, Zeonic's MS-14 Gelgoog was selected as the second phase mainstay mobile suit due to its superior general performance and versatility, though the Gyan's basic performance was said to be superior to the Gelgoog