#Ukrainian troops have been using the hills along the Donets to shield their artillery from observation & fire behind the cover and concealment of the hillside. This is also known as firing from defilade. Essentially, using the trajectory of a round to hit an unobservable target. pic.twitter.com/CjgtFWMV3s

— OSINT Aggregator (@AggregateOsint) June 10, 2022