The Grazer tanks, named after a blockbuster movie of the 20th century, first saw action when the Americans deployed them in the Second Soviet Civil War. They were the first mobile units with the power generation capability to use energy weapons in a combat situation, and their cargo/infantry bays allowed them to bring in boots on the ground and to protect persons that the Americans deemed worthy of saving.
         The basic Grazer tanks have remained in action ever since, their ability to fight without resupply highly valued by force commanders lucky enough to get them. The tracked and wheeled versions soon became less common than the much faster hovercraft version as such craft became cheaper to make. The hovercraft versions are so common in the modern age in fact that they became the ubiquitous "Hover Tank" or "Weapons Carrier". Used by militias, police forces, security firms, and even sometimes as armed cargo carriers by richer concerns, the Grazer tanks are simply there, always seen and rarely noticed, an integral part of the societies throughout the Human Sphere that they support.