Air Force Master Sgt. Rob Donnelly from the 380th Aircraft Maintenance Squadron conducts pre-flight checks on an EQ-4 Global Hawk unmanned aerial vehicle before its first launch from an undisclosed location in Southwest Asia, Nov. 27, 2010. The EQ-4 carries the Battlefield Airborne Communications Node BACN, which acts as a persistent gateway, bridging diverse tactical data links and voice communications to improve battlefield communications. Staff Sgt. Eric Harris

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Size: 3600px × 2395px
Photo credit: © Z2A1 / Alamy / Afripics
License: Licensed
Model Released: No

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