The plane takes off from Moscow in the depth of snowy winter night. After about 30-45 minutes of flight time when the plane performs an emergency landing in Belarus not far from the border, it's a clear and sunny summer's day. (Moscow time is GMT+3, Minsk is GMT+2, time difference is minus one hour, it should be at least dark in Belarus.) And during the film, when it's night in Moscow, it's day-time in Rome, which is only minus two hours (GMT+1).
Among the flags displayed on Nato Headquarters Crisis Room is the one from Uruguay that is not member of that military alliance.
At the very end, when the Arab terrorists drives past the cobra in the dessert, three men are visible in the reflection of the black car as they pass. One of them is leaning forward and operating the camera.