Fit-check of MTM, MPO and MMO
ESA's Mercury Planetary Orbiter (middle) and JAXA's Mercury Magnetospheric Orbiter (top) being arranged in their launch configuration together with the Mercury Transfer Module (bottom) in a so-called 'fit-check'. While the MPO and MMO are now integrated, the real integration of the MTM will take place after propellants have been added to the modules.
Last Update: 1 September 2019