ground control
noun/ˈɡraʊnd kəntrəʊl/
/ˈɡraʊnd kəntrəʊl/
[uncountable + singular or plural verb]- the people and equipment on the ground that make sure that planes or spacecraft take off and land safely and monitor flights while they are in progress
- Ground control was/were able to alter the course of the rocket.
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ground control