SAN FRANCISCO — Lockheed Martin Space Systems plans to enter a competition to build targets for U.S. Missile Defense Agency (MDA) medium-range ballistic missile flight tests, company officials said.

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Debra Werner is a correspondent for SpaceNews based in San Francisco. Debra earned a bachelor’s degree in communications from the University of California, Berkeley, and a master’s degree in Journalism from Northwestern University. She is a recipient...