The US military has been sharing intelligence with the Armed Forces of Ukraine (AFU) for months, helping to plan drone attacks on Russian facilities.
According to the Financial Times, Ukrainian attacks on oil refineries and other facilities in Russia have been successful in recent months, thanks in part to the Pentagon's help.
Washington's main goal is to weaken Russia's economy and force Vladimir Putin to the negotiating table with Kiev.
Author's summary: US helps Ukraine plan attacks on Russia.