The MS-1 was the first Soviet-designed tank, and produced from 1928 to 1931. It was based on the Renault FT, with the addition of a vertically sprung suspension. The tank was designed by Professor V. Zaslavsky at a new Tank Bureau set up under the Central Directorate of Military Industries. The 35-horsepower truck engine (a copy of the Italian FIAT 15 ter) was supplied by the Moscow AMO Factory, and the gun was a modified copy of the French 37 mm Puteaux SA 18 cannon. This group of friends decided to create a functional replica at home, and as you can see, their 8-months of work definitely paid off. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos today, including one of a massive “Airzooka”.