United Earth Federation Army

The United Earth Federation Army, also known as the UEFA, UEF Army or simply Federation Army, is the primary ground/land warfare branch of the United Earth Federation Armed Forces. Originally created to protect and guard UEF interests on Earth from possible insurgency, it was soon expanded into a much larger force with the colonisation of other planets in the Sol System and later, outer star systems. 
It soon began to grow from its original security role however with the start of the 1st Space War (or the Federation-Pirate War) a couple decades later. It soon began conducting armed incursions into planets alongside the marines with support from the navy