 Together with his wife Nadezhda, Ulanovsky came to America on the maiden voyage of the "SS Bremen" in 1931.His mission was to take over the GRU (military intelligence) apparatus assembled by his predecessor, Manfred Stern, who was moving on to China.Some of the known members of the group were Lydia Stahl, Robert Gordon Switz, Leon Minster, Robert Osman, Joshua Tamer, and Whittaker Chambers.