Army officers are leaders in the military who are responsible for planning and executing missions. They hold various ranks, such as Lieutenant, Captain, and Colonel, and are trained to make critical decisions in high-pressure situations. Officers often lead groups of soldiers, ensuring that they are well-prepared and equipped for their tasks. To become an army officer, individuals typically complete a college degree and undergo specialized training at institutions like the United States Military Academy or through programs like ROTC. Their roles include managing resources, training personnel, and maintaining discipline within their units.