The Army is a large organization, made up of many different branches and groups. The Active Duty Soldier serves full time. They will generally live on a base, either within the United States or in a foreign country. While on active duty, they earn a full salary and receive health and retirement benefits. The Army Reserve Soldier unlike active duty, are required to train and report for duty just one weekend a month and two weeks a year. Serving in the Army Reserve allows them to live where they want, attend school and work a civilian job. They still earn many benefits, including health care and retirement, and will also earn part-time duty pay in addition to the income from their civilian job. Enlisted Soldiers are the most important part of the Army. Like the employees of a company, enlisted Soldiers are responsible for carrying out a mission or task. As an enlisted Soldier, they could serve either on active duty, or in the Army Reserve. Officers are the leaders of the Army. Like the managers of a company, they are responsible for taking charge of enlisted Soldiers, issuing orders, and planning missions. As an Officer, they could serve either on active duty, or the Army Reserve.