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1991 · Soviet Space Program
US-KS 5
success
Proton | US-KS 5
Geostationary early warning satellite
Overview
Date / time
September 13, 1991 at 05:51 PM UTC
Outcome
success
Launch site
81/23 (81L)
Mission
US-KS 5
Mission type
Government/Top Secret
Orbit achieved
Geostationary Orbit
Launch vehicle
Proton K/DM-2 →
Launch provider
Soviet Space Program →
Payloads deployed · 1
COSMOS 2155
GEO