20s.: The first airplanes.
40s.: Aircraft of World War 2.
Build an airplane in the hangar.
Military helicopter in the sky, military aircraft at the airfield.
A passenger aircraft Ilyushin Design Bureau, the aircraft cabin.
The plane in the sky at an air show.
The helicopter in the sky.
Calendar: 20th - the first airplanes 40th - Air Force during WWII 90th
Locations: Moscow  Russia 
Seasons: Summer