- Romeo One-One: "We're going deep, and we're going hard."
- Charlie One-One: "Surely you can't be serious?"
- Romeo One-One: "I'm serious... and don't call me Shirley."
- — Romeo One-One to Charlie One-One
Charlie One-One is the callsign of a Task Force 141 operative of the One-One Team featured in the level "Mile High Club". He carried a silenced MP5SD and a silenced USP .45. He is one of three members of the team to survive the plane operation, the other two being team leader Romeo One-One and the playable One-One Operative.