The General Staff of Ukraine’s Armed Forces has confirmed it struck the Novoshakhtinsk oil refinery in Russia’s Rostov Oblast on June 5, claiming the attack destroyed 1.5 million tons of oil and oil products worth $540 million. In a post on Telegram on June 10, the military said the attack had been carried out by “Ukrainian-made means,” but did not elaborate. At the time of the strike, Rostov Oblast Governor Vasily Golubev claimed the fire was caused by a drone attack. In recent months, Ukrainian forces have launched a series of drone strikes aimed at damaging Russia’s oil industry, which is c…