Founded in 1798 the Commissioned Corps is an elite team of more than 6,500 full-time, well-trained, highly qualified public health professionals. The mission of the U.S. Public Health Service (USPHS) Commissioned Corps is to protect, promote, and advance the health and safety of our Nation. The Commissioned Corps has full-time opportunities for highly skilled men and women who seek professional fulfillment, enjoy challenges, and want to improve the quality of public health for the Nation's communities that are most in need. For information about how you can make a difference through USPHS, call us at 800–279–1605. Officers serve in many health-related professions, including physician, dentist, nurse, pharmacist, dietitian, engineer, environmental health, psychological health, scientist, physical and occupational therapists, veterinarian, among others. Additionally, USPHS officers are detailed to military treatment facilities to treat service members returning from armed conflicts who may be affected by mental health issues. This unique partnership between DoD and the USPHS has expanded the number of mental health providers caring for military personnel affected by deployments, as well as veterans and families in need of mental health services and substance abuse treatment. Officers serve at military treatment facilities with the Army, Air Force and Navy. For more information about the partnership, please visit this link: http://www.usphs.gov/aboutus/dod-hhs.aspx.