All costs $Ms

                             EE    descope      JSO     descope
Mission cost              3,310  2,419         3,117   2,699

                             EE    descope      JSO     descope
Launch vehicles             502    176           486     191

                             EE    descope      JSO     descope
Science phase C              54     33            48      47
Science post launch         203    123           176     170

                             EE    descope      JSO     descope
Wide-angle camera             3 kg   3
Medium-angle camera          10      7            20     15
Narrow-angle camera          15     --
Hi-res camera/spectrometer                        70     70
IR spectrometer              25     12
UV spectrometer              15     --            15     15
Laser altimeter              15      7            15     15
Radar                        36     31            36     36
Thermal spectrometer          8      5            43     43
Magnetometer                  4      2             4      4
Ion & mass spectrometer      15     --
Particle & plasma instr      12     10            25     10

                 Total      158     77           228    208