DSCS III Satellite Bus

Data current as of 2026-07-20.

The DSCS III bus accounts for 14 cataloged objects, of which 14 are in orbit and 4 are active. Most are built by GEVF. The largest operator on this bus is AFSMC/DISA. The first launched in 1982, the most recent in 2003.

14
In orbit
4
Active
14
Total launched
0
Reentered

DSCS III launched per year

1 2 1982: 1 object launched 1983: 0 objects launched 1984: 0 objects launched 1985: 2 objects launched 1986: 0 objects launched 1987: 0 objects launched 1988: 0 objects launched 1989: 1 object launched 1990: 0 objects launched 1991: 0 objects launched 1992: 2 objects launched 1993: 2 objects launched 1994: 0 objects launched 1995: 1 object launched 1996: 0 objects launched 1997: 1 object launched 1998: 0 objects launched 1999: 0 objects launched 2000: 2 objects launched 2001: 0 objects launched 2002: 0 objects launched 2003: 2 objects launched 1982 1987 1992 1997 2002
Still in orbit Click a year to list its satellites.

Typical specifications

Most common values across cataloged DSCS III satellites.

Manufacturer GEVF
Purpose Communication
Launch mass 1232 kg
Dry mass 900 kg
Length 2.1 m
Diameter 1.9 m
Span 9.5 m
Shape Box + 2 Pan
Power 2 deployable solar arrays, batteries
Propulsion AOCS
Design life 10 years
Equipment 6 SHF transponders, 1 special purpose transponder (SHF and UHF)
Typical orbit 1436 min period, 14° inclination

Top operators

AFSMC/DISA 9 AFSD/DCA 3 AFSSD2/DCA 1 AFSSD2/DISA 1

Top countries

US 14

DSCS III satellites

Track any of them live in KeepTrack.

Name NORAD COSPAR Owner Launched Orbit Status Track
USA 170 DSCS III B-6 27875 2003-040A AFSMC/DISA Aug 29, 2003 1436 min, 10.6° Active
USA 167 DSCS III A-3 27691 2003-008A AFSMC/DISA Mar 11, 2003 1436 min, 11.0° Active
USA 153 DSCS III B-11 26575 2000-065A AFSMC/DISA Oct 20, 2000 1436 min, 11.7° Active
USA 148 DSCS III B-8 26052 2000-001A AFSMC/DISA Jan 21, 2000 1453 min, 12.0° Inactive
USA 134 DSCS III B-13 25019 1997-065A AFSMC/DISA Oct 25, 1997 1436 min, 12.8° Active
USA 113 DSCS III B-7 23628 1995-038A AFSMC/DISA Jul 31, 1995 1460 min, 13.5° Inactive
USA 97 DSCS III B-10 22915 1993-074A AFSMC/DISA Nov 28, 1993 1461 min, 13.8° Inactive
USA 93 DSCS III B-9 22719 1993-046A AFSMC/DISA Jul 19, 1993 1454 min, 13.9° Inactive
USA 82 DSCS III B-12 22009 1992-037A AFSMC/DISA Jul 2, 1992 1457 min, 14.2° Inactive
USA 78 DSCS III B-14 21873 1992-006A AFSSD2/DISA Feb 11, 1992 1454 min, 14.8° Inactive
USA 44 DSCS III A-2 20203 1989-069B AFSSD2/DCA Sep 4, 1989 1453 min, 14.7° Inactive
USA 12 DSCS III B-5 16117 1985-092C AFSD/DCA Oct 3, 1985 1455 min, 14.3° Inactive
USA 11 DSCS III B-4 16116 1985-092B AFSD/DCA Oct 3, 1985 1450 min, 14.4° Inactive
DSCS 3-1 DSCS III A-1 13637 1982-106B AFSD/DCA Oct 30, 1982 1472 min, 12.4° Inactive

Frequently asked questions

How many DSCS III satellites are there?

The catalog lists 14 objects built on the DSCS III bus. 14 are in orbit and 0 have reentered.

How many DSCS III satellites are in orbit?

14 DSCS III objects are currently in orbit, of which 4 carry an active status.

Who builds the DSCS III bus?

The DSCS III bus is most commonly built by GEVF.

When did the first DSCS III satellite launch?

The first cataloged DSCS III satellite launched in 1982, and the most recent in 2003.

Satellite data compiled by KeepTrack from CelesTrak, Space-Track, and GCAT, provided under CC BY-NC 4.0.