The Russian military is producing and deploying a newsubsonic cruise missile, dubbed the Kh-69, in its renewed assault against Ukraine’s energy infrastructure and vulnerable air defenses, the Institute for the Study of War (ISW) said in its April 12 report. Russia has escalated attacks against Ukraine’s energy infrastructure in recent weeks, exploiting a shortage in Kyiv’s air defense systems brought on by delays in Western military aid. A Russian missile attack overnight on April 11 destroyed the Trypillia Thermal Power Plant in Kyiv Oblast. The plant was hit by the new Kh-69 missiles, accord…