From Halopedia, the Halo wiki
3 Echo was a UNSC Army unit stationed on Reach during 2552. During the Covenant assault on ONI's Sword Base, a team led by 3 Echo 57 was engaged by two Type-26 Wraiths and tried to retreat back into the base in a M831 Troop Transport Warthog. However, they were killed by one of the Wraiths.[1] Known members[edit]List of appearances[edit]
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