Yevhen is one of those who disconnected the power grid of Ukraine from russia and belarus. He says - let them follow the russian ship. Yevhen is a DTEK employee, but until 2010 he was a specialist on air defence facilities. And he remained a technical advisor. Yevhen tells about how DTEK withstood the attacks on the energy sector and the level of endurance it showed. Like the whole of  Ukraine in general.