Visa Category(Required) ------ A/ NATO1-6 Diplomat or Foreign government/Foreign military official B-1/B-2 Tourism or Business visitor (including traveling for medical treatment) C1/D- Transiting the United States/Crew Member E- Treaty Trader/Treaty Investor E3 – Australian professional specialty F, M – Student: academic, vocational G1-G5 NATO – Employee of a designated international organization or NATO H-1B – Specialty occupations in fields requiring highly specialized knowledge H-1B1- Chile/H-1B1 – Singapore – Free trade Agreement (FTA) Professional: Chile, Singapore H-2A/H-2B – Temporary Agricultural Worker or Temporary Seasonal Worker H-3 Training in a program not primarily for employment I-Media, journalist J- Exchange Visitor L- Intra-company transferee O- Foreign National with extraordinary ability in Sciences, Arts, Education, Business, or Athletics P- Performing athlete, artist, entertainer R- Religious Worker Renewals in the U.S. – A, G, and NATO Visas T Victim of Human Trafficking TN/TD - NAFTA Professional Worker: Mexico, Canada U – Victim of Criminal Activity V – Nonimmigrant (V) visa for spouse and children of a Lawful Permanent Resident (LPR)