American Legion Post 18 822 Anthony Rd, Portsmouth, RI02871 The American Legion Post 18 is a veterans service organization based in Portsmouth. Post 18 is connected the women's…More American Legion Auxiliary Unit 18. Post 18 and Unit 18 members participate in veteran-related projects such as ceremonies, flag graves, memorial maintenance, deployed troop support, support programs for families of soldiers, volunteer-work at the RI Veterans Home, flag education and poppy awareness and scholarships for Portsmouth High School students. Post 18 is made up of veterans of all ages. For further inquiries, phone the American Legion Post 18.