US Army impressed by 12+ hour endurance of unmanned Kaman BURRO+

Kaman Aerospace, BLOOMFIELD: Kaman Aerospace Corporation reported that on April 28 its new-generation full-scale Vertical Takeoff Unmanned Aerial System (VT-UAS) showed unprecedented mission endurance, completing a 12-hour and 17-minute simulated mission without refueling. 
 
Kaman believes this is the first time a full-scale VT-UAS with significant payload has proven such endurance. The BURRO+ VT-UAS departed Kaman