B, the trail of tears forced Natives out of their lands and into Oklahoma, reason why it was so big was because it was to be for reservations for Natives to be placed on.
Answer: Ground Antennas
Explanation:
Based on the scenario in the question, the type of station that Charlie's team manages is refered to as the ground antennas station.
This kind of station is typically used in communicating with spacecraft and is utilized for the tracking of GPS satellites in their orbits.
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