Coast Guardsmen secure communications equipment to a line to bring it aboard USS Thomas Hudner (DDG 116) in the Gulf of Mexico Dec. 16, 2019. The Navy used that equipment during the first demonstration of the Advanced Battle Management System, operators across the Air Force, Army, Navy and industry tested multiple real-time data sharing tools and technology in a homeland defense-based scenario enacted by U.S. Northern Command and enabled by Air Force senior leaders at Eglin Air Force Base, Fla., Dec. 16-18. (U.S. Air Force photo by 2nd Lt. Karissa Rodriguez)
28.0-300.0 mm f/3.5-5.6
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