This document provides information about the selection process for becoming a Foreign Service Officer with the U.S. Department of State. It outlines the five steps of the selection process which includes taking the Foreign Service Officer Test (FSOT). Applicants must be U.S. citizens, between 20-59 years old, and available for worldwide assignment. Registration for the FSOT is online and continuous, with test windows occurring in February, June, and October of 2010 and 2011.