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Wideband Global SATCOM (WGS)

Military communications satellite constellationIn serviceFielded 2008Pending verification

Also known as: WGS, Wideband Gapfiller

SpaceUSA
Wideband Global SATCOM (WGS)
Photo: Michael Pierson, U.S. Air Force / DVIDS · Public domain, DVIDS
Fact cardConfidence · Source
System
TypeMilitary communications satellite constellation
Alternative designationsWGS, Wideband Gapfiller
Date of introduction2008
ProliferationAt least 7 countries
Satellites10SV-1 to SV-10, launched 2007–2019Med[1]
First launch2007Med[1]
ContractorsBoeing (702 bus)Med[1]
OperatorUSSF Mission Delta 8, 4th Space Operations Squadron, Schriever SFBMed[1]
Program statusWGS-11+ to launch on Vulcan with a Protected Tactical SATCOM payload; WGS-12 funded; Australia, Canada, Denmark, Luxembourg, Netherlands, New Zealand partners; Poland and Japan joined in 2024Med[1][2]
Dimensions and weight
Mass5,897 kg13,001 lb13,000 lb at launchMed[1]
Power9,934 WMed[1]
Mission
MissionWideband X-band and two-way Ka-band SATCOM; augments Global Broadcast ServiceMed[1]
Orbit
Orbit regimeGEOHigh[1]
Design life14 yearsMed[1]
Catalogued on orbit10Payloads with current element sets in the public catalog, active or not.High[3]
Active (CelesTrak)10Count in the CelesTrak active satellites list, which estimates operational status.Med[3]
Perigee35,783–35,787 kmActive satellites per CelesTrak, element epoch about 2026-11-08.High[3]
Apogee35,787–35,792 kmActive satellites per CelesTrak, element epoch about 2026-11-08.High[3]
Orbital period1,436.1–1,436.2 minActive satellites per CelesTrak, element epoch about 2026-11-08.High[3]
Inclination0.01–0.28 °Active satellites per CelesTrak, element epoch about 2026-11-08.High[3]
Catalogued satellites · 10[3]
NameNORADCOSPARPerigee kmApogee kmIncl. °Period minStatus
WGS F1 (USA 195)322582007-046A35,78335,7910.061436.1Active
WGS F2 (USA 204)347132009-017A35,78635,7870.021436.1Active
WGS F3 (USA 211)361082009-068A35,78735,7880.281436.1Active
WGS F4 (USA 233)380702012-003A35,78335,7920.011436.2Active
WGS F5 (USA 243)391682013-024A35,78635,7880.021436.1Active
WGS F6 (USA 244)392222013-041A35,78635,7880.021436.1Active
WGS F7 (USA 263)407462015-036A35,78635,7870.011436.1Active
WGS F8 (USA 272)418792016-075A35,78435,7880.021436.1Active
WGS F9 (USA 275)420752017-016A35,78635,7880.021436.1Active
WGS 10 (USA 291)440712019-014A35,78635,7880.021436.1Active

Mean elements at epoch 2026-11-08 or later. Perigee and apogee are computed from mean motion and eccentricity and are approximate. Status follows the CelesTrak active list.

Summary

The U.S. military's highest-capacity communications satellites, providing X- and Ka-band service worldwide; designed to replace DSCS.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
CompareJSON
Operators
Sources
  1. Wideband Global SATCOM (weapons and platforms entry), Air & Space Forces Magazine
    Tier 3 · checked 2026-11-08
  2. WGS (archive entry), Air & Space Forces Magazine
    Tier 3 · checked 2026-11-08
  3. NORAD GP element sets (current data), CelesTrak (data from the U.S. Space Force 18th/19th Space Defense Squadron catalog)
    Published/updated 2026-11-08 · Tier 1 · checked 2026-11-08
Change log
  • 2026-11-08 Entry created from cited open sources
  • 2026-11-08 Orbital elements from CelesTrak GP data (epoch about 2026-11-08): 10 catalogued, 10 active.