Drone Zone Air Force Tech Sgt. Matthew Coutts launches a Raven B Digital Data Link drone during a demonstration in Southwest Asia, Jan. 24, 2018. Coutts is assigned to the 332d Expeditionary Security Forces Squadron. After takeoff, the Raven B uses battery power to patrol the air for up to 90 minutes. Air Force photo by Staff Sgt. Joshua Kleinholz Download Image: Small (573.44 KB) | Medium (2007.04 KB) | Full Size (2.94 MB) Tags: Photo By: Senior Airman Joshua Kleinholz | VIRIN: 180124-F-MF020-026C.JPG More Photos