>> reporter: todas, a 55-year-old nautical engineer, says he spent the past ten years serving on "the lady enestacia." >> translator: we had a crew of nine people, including a chef and a waiter. >> reporter: he says the yacht's current owner and only user is alexander mahiv, a sanctioned putin-connected oligarch and owner of a state-run company that rakes in billions of dollars selling munitions from weapons to ammo to aircraft. the yacht engineer went from cruising in oligarch luxury to a bunker in ukraine. our interview just began. stopped by an alert of an incoming russian attack. >> okay. sorry. see you next time. bye-bye. >> reporter: his life changed in late february when the yacht was docked in spain and russia invaded his home country. >> welcome back. thank you. >> nice to meet you again.