For the Americans, World War II was only four months old when these three color pictures appeared depicting the most up-to-date and high-tech (and cheap) method to be used in the training of Stuart Tank gunners (the Stuart Tank was simply awful).
Five years after the war, many tank crew training camps had to be reopened...
During the Second World War, hair dye was not simply used by women;click here to read about the men who needed it.