The USPHS Commissioned Corps is committed to our mission to protect, promote, and advance the health and safety of the nation. Public Health Service officers are trained and equipped to provide crucial public health leadership, assist with policy development, advance innovation and science, provide essential care services and respond to national and global public health emergencies. Through our Active Duty Regular Corps, our Public Health Response Strike Team (PHERST) and our Ready Reserve Corps, we remain responsive and available to rapidly deploy in the service of health.