Over 4,600 officers have also been confirmed to have been killed. Russia has gained ground in eastern Ukraine and Kursk Oblast in recent months but at the cost of heavy casualties as well as equipment losses. The journalists note that as Russian military equipment dwindles, commanders may be forced to provide less protective equipment to soldiers, highlighted by their use of civilian cars in attacks — which ultimately may lead to a higher casualty rate.As of Jan. 17, Russia has lost a total of 815,820 troops since the full-scale invasion began, Ukraine's General Staff reported. The estimate, which is broadly in-line with estimates made by Western intelligence agencies, likely includes those killed, captured, wounded, and missing.Moscow does not disclose its casualty figures, though a Defense Ministry official recently let slip that the department received 48,000 requests to identify missing soldiers.President Volodymyr Zelensky revealed in a rare statement in early December that Ukraine had lost 43,000 soldiers on the battlefield since the start of Russia's full-scale invasion.Ukraine war latest: Russia, Iran sign strategic partnership deal; Ukraine strikes Russian S-400 radar equipmentKey developments on Jan.