Modules -- A: lander, B: return module, C: reentry vehicle (not shown). Major components -- 1: solar panels, 2: reaction wheels, 3: landing gear, 4: robotic sample arm (second arm not shown), 6: sample transfer container, 7: attitude control thrusters, 8 and 10: fuel and helium tanks, 9: return module solar panels. Scientific instruments (some instruments are not visible from this angle or are not present on the model) -- a: Termofob thermodetector, b: GRAS-F seismogravimeter; c: METEOR-F cosmic dust detector, d: GAP (Gas Analytic Package) pyrolizer/thermal-differential analyzer, e: GAP chromatograph; f: GAP mass spectrometer, g: LAZMA mass spectrometer, h: MANAGA mass spectrometer, i: FPMS dust detector