This image is a derivative work of the following images: File:Salyut_program_insignia.jpg licensed with PD-RU-exempt 2007-10-03T08:53:40Z Dutchsatellites
DescriptionRP1357 p71 Salyut 4.svg Figure 2-8. Salyut 4, the second DOS station to be manned. Structural layout very similar to that of Salyut 1. That is, it