Flag Returned
From Halopedia, the Halo wiki
Summary
The Flag Returned Medal is awarded for returning your flag to your base. It is availible only in Multiplayer CTF gametypes where touch return is enabled and has a Bungie difficulty rating of 1 (out of 10). It is represented by a green circular medal with a flag. This medal is not observable during gameplay and can only be viewed in the post game lobby.
