S7

Field Commander S7 is the player character of the Soviet campaigns within the Counterstrike and Aftermath expansion packs of Red Alert 1.

Background
His direct superior is General Topolov, and the two become friends over the course of the missions.

Character development
S7 commands many important missions throughout his career. He is responsible for destroying the Allies' research into the Fuel Air Bomb, pacifying civilian resistance movements across Soviet-held territories and the official mission planner for Volkov, the cybernetic super-soldier.

Eventually, after a string of successes, Topolov retires, leaving Commander S7 to take his mentor's office and position.