zaku mariner

7

“Amphibious mobile suits entered development while the decision for an Earth invasion operation was still pending. The initial idea of the Zeon forces was to develop an amphibious type as a variation of the MS-06 Zaku II. This plan was realized in the form of the MS-06M Zaku Marine Type, but it proved utterly unsuitable for real combat.

The development of amphibious mobile suits then continued from a completely new perspective, and they were given MSM numbers. The MS-06M was renamed the MSM-01 and used to gather data for new models of amphibious mobile suit.”

-Mobile Suit Variation Volume 2