International Launch Services (News - Alert) (ILS), a leading launch services provider for the global commercial satellite industry, has announced that the launch of the Proton launch vehicle with the SES (News - Alert)-5 satellite is being postponed for technical reasons related to the Proton launch vehicle. The launch date will be announced later.
According to the sources, Khrunichev engineers were working at the launch site and meanwhile received an out of tolerance telemetry reading on a first stage subsystem during pre-flight testing.
Later, an additional pre-flight testing was performed and was determined that further investigation is necessary, requiring the launch vehicle be returned to the processing hall for additional testing.
ISI (News - Alert) has till date launched many satellites, and recently was in news for successfully launching Y1B Satellite for Yahsat. ISI successfully carried the Y1B satellite into geostationary transfer orbit on an ILS Proton for Al Yah Satellite Communications (Yahsat) of Abu Dhabi.
This was the third ILS Proton launch so far this year and the 72nd ILS Proton launch overall.Y1B, built on the Eurostar E3000 platform, will deliver communications in Ka-band to serve both commercial and government users. Y1B is the 14th Eurostar satellite launched on ILS Proton. The dual use satellite's platform was developed by Astrium and the payload by Thales (News - Alert) (News - Alert) Alenia Space.ILS is a world leader in providing launch services for global satellite operators offering a complete array of services and support, from contract signing through mission management and on-orbit delivery. ILS has exclusive rights to market the Proton vehicle to commercial satellite operators worldwide and is a U.S. company headquartered in Reston, Va., near Washington, D.C.
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Edited by Brooke Neuman