** FILE ** Passengers walk to board Aeroflot flight SU150 from Moscow to Havana, at Sheremetyevo airport in Moscow on June 27, 2013. (Associated Press)

Photo by: Sergei Grits

** FILE ** Passengers walk to board Aeroflot flight SU150 from Moscow to Havana, at Sheremetyevo airport in Moscow on June 27, 2013. (Associated Press)