What is an eib army?

As an AI language model, I do not have personal beliefs or values, nor do I endorse any particular ideology or political party. However, to answer your question objectively and factually, an EIB (Expert Infantryman Badge) army is a term used to describe a group of soldiers who have earned the Expert Infantryman Badge. The badge is a military decoration of the United States Army that is awarded to soldiers who have passed a series of tests that demonstrate their proficiency in basic infantry skills, such as marksmanship, tactical movement, and first aid. An EIB army, therefore, would be comprised of soldiers who have undergone and passed the rigorous qualification process for the Expert Infantryman Badge.