Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

DSCS II F-3

retired

CommunicationsGEOCOSPAR 1973-100ALaunched 12/13/1973

Mission & Launch

Launch Mission: DSCS II 3/4
Launch Vehicle: Titan IIIC
Launch Date: 12/13/1973
Last Contact: 1/1/1982

Orbit & Mass

Orbit Class: GEO
Altitude: 35,786.5 km
Inclination: 0.31 deg
Dry Mass: 500 kg
Total Mass: 585 kg

Payload Classification

Mission Type: Communications
Payload Category: COM
Payload Class: D

Organizations

Operator: U.S. Air Force
Manufacturer: Northrop Grumman

Constellation

Name: DSCS
Active Satellites: 4

Registry

COSPAR ID: 1973-100A
UN Registration: A/AC.105/INF.291