Probe designed for investigations of the planet Venus and Halley’s Comet. VEGA-1 and VEGA-2 were launched on December 15, 1984 and December 21, 1984, respectively. The Vega spacecrafts were fitted with scientific apparatus and equipment built in eight countries and ESA (European Space Agency). The spacecrafts rendezvoused with Halley’s Comet on March 6, 1986 (Vega-1) and on March 9 (Vega-2) respectively. CBK PAN cooperates with ILOT which provided the spectrum analyser for plasma wave diagnostics.