Wounded Ukrainian Soldier Rescued by Aerial Drone After 491 Days on Position. Ukraine rescued a wounded soldier by aerial drone after 491 days on frontline position in a first-of-its-kind operation. Video released by the 92nd Assault Brigade showed a drone carrying the soldier through the air in the Kharkiv region while his fellow soldiers monitored the rescue operation and congratulated each other after its successful completion. Location and date of the video could not be.