Military communications - designed to replace Molniya and Parus spacecraft; this is the sixth of the series.
Telecommunications.
Military communications - designed to replace Molniya and Parus spacecraft; this is the fourth of the series.
"Military communications - designed to replace Molniya and Parus spacecraft; this is the third of the series, first success."
"16 Ku-band; 10 C-band, 1 L-band transponder."
"10 C-band, 16 Ku-band; 1 L-band; Russian Federation and Asian Pacific region."