The Team Locator is a standard issue Global Positioning Device. Unfortunately, Solar Interference has limited its range to only the localized region around the players marine. The button is found under the Marine Actions Command Card hotkeyed to the Q button. It costs only 3 Energy and will list players positions on the Mini-Map with their respective Numbers.

Hotkeyed to X-Q.
Displays Nearby ally players' positions.
Displays all ally player positions in Recruit Mode.
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