An X-47B Unmanned Combat Air System Demonstrator (UCAS-D) completes its first flight at Edwards Air Force Base, Calif., Feb. 4,

- Image ID: E1G9HG
An X-47B Unmanned Combat Air System Demonstrator (UCAS-D) completes its first flight at Edwards Air Force Base, Calif., Feb. 4,
501 collection / Alamy Stock Photo
Image ID: E1G9HG

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