From Halopedia, the Halo wiki
This article is about the Spartan team. For units designated "Echo", see Echo Team (disambiguation).
Echo Team is a unit of the SPARTAN-III program. It consists of "cat 2" personnel deployed outside its members' parent company. On August 23, 2552, Echo, along with Gauntlet and Red Teams, was rumored to be deployed to defend civilian evacuation operations on Reach as the Covenant invaded the planet.
List of appearances