Marines with Marine Unmanned Aerial Vehicle Squadron 4 (VMU-4), perform preflight maintenance on the RQ-21A Blackjack during unmanned air system

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Size: 1936px × 1291px
Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: blackjack, forces, marforres, marine, reserve, rq-21a, vmu-4