... Module Spectrum was launched from Baikonur on May 20, 1995 by the LV Proton-K. The mass of the module at the launch was 19640 kg. ... The area of the main panels of the SB is 2*27 m2 (6.9 kW); the area of the additional panels of the SB is 2*38 m2 (9.3 kW). NiCd batteries of capacitance 360 Ah are set up on the module. ... Later the task was corrected and module was reaimed at the supporting the service systems of the complex in the working condition. ...