Mars Exploration Rover: Rover 2 assembly

Rover 2 equipment deck, with solar arrays partially deployed, in JPL's Spacecraft Assembly Facility's cleanroom. The low gain antenna (thick, silver mast in center) and high gain (circular) antennas allow communication with the rover from Earth. The tall, white mast is the rover's Pancam Mast Assembly supporting two stereo camera systems (color and wide angle) and a thermal emission spectrometer for remote mineral identification.