The evolution of the warrior.
From top to bottom:
Greek warrior - 600 BC.
Roman Centurion - 100 BC.
Persian warrior - 6th century.
Viking warriors - 10th century.
Samurai warrior - 16th century.
Continental Army soldiers - 1775 / The American Revolutionary War.
German Wehrmacht soldier - 1940 / Second world war.
U.S Army soldier - Korean war / Vietnam war.
U.S Army soldier - Afghanistan war / 2014.
Polish special forces / GROM - 2014.