Unified Soviet Red Assault Command Marine

"When the Soviets first reached Sequin Land, they would make something that would be for the Unified Soviet Red Assault Command Navy, which would frightened anyone that swim into their way. Terrorizing those who fight against the USRAC and all of their allies. Not if I have to use my wits to take 'em all off."

--Su Ji-Hoon, Mermaid Falls's Last Defense

The Unified Soviet Red Assault Command Marine is the marine unit of Unified Soviet Red Assault Command that they are advanced naval infantry and was the amphibious force of USRAC Army.

Only happened in during First Soviet-Sequin War that they were trained by USRAC Army and USRAC Navy when they want captured Giga Mermaid and conquered Mermaid Falls. They're also part of the Unified Soviet Red Assault Command Marine Corps.