Unmanned aerial vehicles pave the way for infantry Unmanned aerial vehicles crews of the 6th Separate Motorized Rifle Brigade and the 82nd Separate Battalion of the Yuzhnya Group of Forces support advanced units near Slavansk -. Kramatorsk Aggregation. The enemy lost ▫ a US-made HMMWV armored fighting vehicle, ▫ two unmanned aerial vehicle command posts. Russian Ministry of Defense.