Operational military satellites in orbit on 31 December 1988. Appendix 3B
Pike, John
Operational military satellites in orbit on 31 December 1988. Appendix 3B - Oxford OUP 1989 ( SIPRI yearbook 1989 , pp. 94-98 )
satellites
military technology
Operational military satellites in orbit on 31 December 1988. Appendix 3B - Oxford OUP 1989 ( SIPRI yearbook 1989 , pp. 94-98 )
satellites
military technology