Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

DSCS II F-7

retired

CommunicationsGEOCOSPAR 1977-034ALaunched 5/12/1977

Mission & Launch

Launch Mission: DSCS II 7/8
Launch Vehicle: Titan IIIC
Launch Date: 5/12/1977
Last Contact: 12/20/1981

Orbit & Mass

Orbit Class: GEO
Altitude: 35,786 km
Inclination: 2.38 deg
Dry Mass: 550 kg
Total Mass: 612 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: 1977-034A
UN Registration: ST/SG/SER.E/004