Oksana Dudar, left, the wife of Viktor Dudar, hugs her mother-in-law at her husband's funeral Tuesday in Lviv, Ukraine. Viktor was a soldier who was killed by Russian forces. A U.S. defense analyst estimates more than 1,500 were killed in the first five days of the war. The Ukrainian military tells NPR it isn't disclosing the number of soldiers lost in the fight with Russia. (NPR)