Miles O'Brien was classified as a theta in 2370, and was relatively well-respected by Intendant Kira Nerys. Another Terran, less respected, was 0413 Theta, who attempted stowing on board a freighter but was caught by security. He was demoted to a lambda by Kira and interrogated by Gul Elim Garak. (DS9: "Crossover", "Through the Looking Glass"}