In 1988 the second Bulgarian cosmonaut Alexandar Alexsandrov flew on board Soyuz TM-5 to the Mir space station. "Active" (1989) – for determination of the electrostatic field around a satellite, the development of apparatus "VSK- FREGAT" (1989) – which transmit images of the Phobos satellite of Mars, within the "Phobos" Program. In the Institute was created the space greenhouse "SVET", with which successful experiments were carried out by Russian and American astronauts, including the cultivation of plants from "seed to seed" of the Space Station (SS) "MIR".