"Satellite's position in GEO will yield real-time views of entire Earth disk -- wide swath of Asia, Middle East and Indian Ocean. Will also provide communciations for search-and-rescue services."
"Next generation. Will transmit more navigation signals. Five channels, four in L1 andL2 bands and one for civilian aplications in the L3 band."
Military communications - designed to replace Molniya and Parus spacecraft; this is the fourth of the series.