An-12RR (conflicting sources mention the designation RKh) s/n 4342604 NBC reconnaissance aircraft from Levashovo.
RR8311-100 air-sampling pods are mounted on each side of the nose section, whereas a smaller air-sampling pod with sensors to detect toxic agents, is mounted under the nose cabin windows on the right side only.
Seen at Sperenberg in May 1994 possibly after a stopover or as a simple cargo aircraft.