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Continue to ChatRQ-21A Blackjack begins operational test phase https://aviationnews.eu/news/2014/01/rq-21a-blackjack-begins-operational-test-phase/
RQ-21A Blackjack begins operational test phase https://aviationnews.eu/news/2014/01/rq-21a-blackjack-begins-operational-test-phase/