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For the similarly named character in Call of Duty 4: Modern Warfare, see Echo One-One.

"Glad you made it!"

— As the jeeps go at the end of "Return to Sender"

Echo One Leader is a man who is appears with his team, Echo One, along with Soap and Price in the mission "Return to Sender" in Call of Duty: Modern Warfare 3.

He appears in "Return to Sender" assisting Soap and Price as Nikolai's Chopper has crashed and try to extract him. After getting Nikolai he jumps in the jeep along with Soap, Price, and Yuri and is never heard from afterwards.