Red Alter was a total conversion based on C&C3;: Tiberium Wars, based on own alternate history of WWII ending and later Cold War, which gone hot.
Soviet naval infantry, codename: "Sea Devils" or "Devil-fish".
Amphibious infantry. Floating mode - sabotage, attack like the Stingray Tesla Discharge ability from RA3. Land mode - support as a heavy infantry with strong armor.