Research Laboratory Andrei Abel, left, and Robert Fusing, both with the Naval Research Laboratory, conduct material testing at a beach in Benbecula, Scotland, during the first-ever Unmanned Warrior research and training exercise, Oct. 8, 2016. Academic and industry researchers were also involved in the program. SHARE: Download: Full Size (1.76 MB) Tags: Navy, DoD Credit: Navy Petty Officer 1st Class Grant P. Ammon VIRIN: 161008-N-OH194-171.JPG Photo Gallery