Russia`s second-biggest airline S7 `Siberia` signed a contract to buy 15 of Boeing`s newest long-range jets.This is the first Russian order for Boeing`s 787 Dreamliner which gives the airline an option to buy 10 more of the jets.General Director of Siberia S7 Airline Vladislav Filev(r)and Marlin Dailey - Boeing`s vice president of commercial sales for Europe, Russia and Central Asia(pictured)at the press conference to announce the deal with Boeing.