BEPICOLOMBO is ESA’s mission to Mercury. It consists of two orbiters. One is for planetary studies (MPO) and the other for magnetospheric studies (MMO). Orbiters will reach Mercury in 2022. Polish CBK PAN is involved in the MPO-MERTIS (Mercury Radiometer and Thermal Infrared Spectrometer) and ISA experiments. The CBK PAN is responsible for designing and manufacturing the MPOI-Pointing Unit, which is a part of the spectrometer.