180618-N-OO393-013 YUMA, Ariz. (June 18, 2018) - Participants of NATO’s Unified Vision 18 prepare to launch an Aerostat at the Yuma Proving Ground in Yuma, Ariz. The Aerostat is used to provide 24-hour surveillance of the battle space and provide ground troops with better security and information. Unified Vision is designed to ensure that joint intelligence surveillance and reconnaissance assets from NATO and other allies are able to operate together to counter security challenges such as conventional threats to terrorism and contribute to the alliance’s modernization to face the new threats of the 21st century. (U.S. Navy photo by Chief Mass Communication Specialist Adrian Melendez/Released)