Stefan Korshak is an American veteran who lives in Kyiv. He is a Russian-speaking military historian who has been writing about conflict since his service as a US Army intelligence officer in the mid-eighties. He has covered five wars and now works full-time as a journalist for the Kyiv Post. His book, The Siege of Mariupol, co-authored with military analyst Christopher Edwards, was published in the United States a few weeks ago. JOIN US ON TELEGRAM Follow our coverage of the war on the @