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BRD-01 Automated Infantry "Spectres" are a type of Minion, a non-playable character in Titanfall and Titanfall 2.
The Militech HMS mk31 turret is an automated sentry utilising the Militech HMS mk31 to scan, detect, and eliminate hostiles.
This is a replication of the grunt units of the Interstellar Manufacturing Corporation in Titanfall 2.