Did you know that the ancient Roman military used a formation called the testudo, or "tortoise"? Soldiers would align their shields to create an impenetrable shell over and around themselves, safeguarding against projectiles during sieges. This reflects military innovation transcending ages, adapting to battlefield challenges. Modern armored vehicles can be seen as the testudo's descendants, protecting today's warriors. Have any similar fascinating military facts or insights? Share them and let's explore history's echoes in modern defense!