The United States Postal Service is one of the largest organizations in the world. In fiscal year 2005, it had nearly 705,000 career employees and handled approximately 211 million pieces of mail through an extremely complicated system of carefully coordinated activities (United States Postal Service Annual Report, 2005). In addition to the national headquarters in Washington, D.C., the United States Postal Service consisted of regional and division field offices that together oversaw 37,683 post offices, branches, stations, and community post offices throughout the United States. In the early 2000s it was the second largest civilian employer in the United States, behind Wal-Mart Stores, Inc (USPS Annual Report, 2005). With all these employees and offices, the human resources department has a huge responsibility. The United States Postal Services Human Resources Department is responsible for many phases of employment, health insurance, life insurance, and retirement. Another word for human resources is staff. This department (like human resources) performs the same tasks, the work of technical personnel. Knowledge of postal policies, procedures and regulations related to processing personnel actions (hiring, firing, administrative leave). Employees rely on the human resources department for information regarding employee benefits programs on health insurance, life insurance and retirement. Forms are required for each subject and in some cases knowledge of how to fill in the forms is required (vacancy announcement, 2008). Human resources department staff must be able to coordinate and supervise the hiring and selection processes, including the vacancy. announcement program and scheduling, conducting and processing of entrance and in-service examinations. Human Resources Department personnel must be knowledgeable of Federal and Postal regulations and policies relating to the processing and administration of injury and unemployment compensation claims. Employees requiring these forms should report to the Human Resources Department and request these forms. Human resources department personnel must be able to coordinate the implementation of training programs and provide guidance on training and education processes for new incoming employees and incoming employees. retraining of career employees. The Human Resources department is responsible for communicating in writing and orally, conducting training, making reports, and providing policies and procedures related to the personnel program. Additionally, staff prepare reports, complaint documents and training materials. In the United States Postal Service, the human resources department combines many aspects of management, and management takes over some responsibilities of the human resources department..