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Unmanned Definition & Meaning - Merriam-Webster
Unmanned aerial vehicle - Wikipedia
UNMANNED | English meaning - Cambridge Dictionary
UNMANNED Definition & Meaning | Dictionary.com
Unmanned aerial vehicle (UAV) | Definition, History, Types,
US Military's Big Unmanned 'Manta Ray' Submarine Passed First …
Unmanned - Definition, Meaning & Synonyms | Vocabulary.com
UNMANNED | definition in the Cambridge English Dictionary
Unmanned Aerial Vehicles | RAND
unmanned adjective - Definition, pictures, pronunciation and …