Space Systems are shared and interconnected systems of computers, communications, people, and other support structures that

Include command and control, tactical, intelligence, and commercial communications systems used to transmit DOD data

Explanation:

Space systems are a network of tools and people meant for the proper functioning of the a space sector of the security system and includes several dedicated and shared technologies and resources that are mainly outlined for efficient and economical usage.

Space systems facilitate systems public and private systems that require space to land based technologies.

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