Mysterious ‘Z’ Painted on Russian Tanks Closing in on Ukraine Border

"Others have speculated Russia is borrowing a play used in World War II by allies who used symbols to avoid friendly fire accidents since most Ukraine tanks are Soviet era and easily confused with Russia’s fleet. There is also speculation that the “Z” could stand for Russian enemy no. 1: Ukraine president Volodymyr Zelensky, who has vowed he won’t be drawn into action by the saber rattling around his country.

To further confuse matters, “Z” is not a letter in Russia’s Cyrillic alphabet"