Morale is concern as NATO chief warns war could last 'years' British defense officials assessing the intense fighting in the Donbas region of Ukraine bordering Russia say morale among troops on both sides is likely growing troubled Ukrainian troops are deserting battle and Russian troops have 'troubled' morale as the war is expected to last years, NATO chief saysOfficials said "Ukrainian forces have likely suffered desertions in recent weeks," but "Russian morale highly likely remains especially troubled." Russia will step up attacks ahead of EU decision, warns Zelensky - liveRussian invasion of Ukraine - live updates