When the plane crashed into the Pentagon on September 11, 2001, the US government revealed that a well-covered terrorist organization was made up of foreign students. Hani Hasan Hanjour was a 26-year-old Saudi national who obtained a student visa to study English at the ELS language centers in Oakland, but he took no English classes and became one of the terrorists ( Borjas). According to a 2003 Nation Science Board report, the United States risks losing talent to compete in the global economy unless it persuades more Americans to take positions in science and engineering. Additionally, because too many international students are applying for the same jobs in certain fields, such as civil engineering, software engineering, and financial accounting, the average salary has declined slightly. Although international students can impact the United States in terms of job opportunities and wages, this is not a problem because they contribute to American society and the local economy. At first, some politicians worried that foreign students would illegally and personally apply for jobs to displace them. native-born workers. The U.S. government might not notice because not all international students are tracked accurately. The tracking system used by the government is called Students and Exchange Visitor information System (SEVIS), which is a database that aims to certify that foreigners are actually studying in the United States (Martin and Midgley). However, this database is so huge that it cannot properly track every foreign student (Borjas). Martin and Midgley also point out that international students can enter the United States as students, but never enroll. Therefore, the U.S. government does not know whether foreign students are studying in the United States or not. It's a big...... middle of paper ...... Web. Oct-Nov 2011. Gardner, Phil. Shows the growing number of international students in the United States in 2011. Raw data. Research note from the Collegiate Institute for Research on Employment 4.Goodwin, Liz. “Foreign students quit jobs at Hershey factory in protest.” Web log publication. Center for Immigration Studies Low immigration, pro-immigrant. Yahoo Blog, Aug-Sept. 2011. Internet. October 30, 2011. Martin, Philip and Elizabeth Midgley. “Immigration: Shaping and Reshaping America.” Population Bulletin. June 2003: 3. SIRS Issues Researcher Web, November 6, 2011. National Science Board, The Science and Engineering Workers: Realizing America's Potential (2003), accessed online at www.nsf.gov, October 26, 2011. Zhao, Chunmei , George D. Kuh and Robert M. Carini. A comparison of international and U.S. students' engagement in effective educational practices. Rep. Pew Charitable Print..