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Continue to ChatUSAF MQ-1B, MQ-9 flight hours hit 4 million https://aviationnews.eu/news/2019/03/usaf-mq-1b-mq-9-flight-hours-hit-4-million/
USAF MQ-1B, MQ-9 flight hours hit 4 million https://aviationnews.eu/news/2019/03/usaf-mq-1b-mq-9-flight-hours-hit-4-million/