SES-5 launch on Proton rocket postponed

The launch of an ILS Proton launch vehicle with the SES-5 satellite was postponed today (19th June 2012) due to technical reasons with the launch vehicle.

Proton rocket to carry SES-5
Proton rocket to carry SES-5

On June 18th, Khrunichev engineers at the launch site received an out of tolerance telemetry reading on a first stage subsystem during pre-flight testing. However, based on additional pre-flight testing performed on June 19, it was determined that further investigation is necessary, requiring the launch vehicle be returned to the processing hall for additional testing.

It has been emphasised that the vehicle and satellite remain in a safe configuration at the launch site.

SES-5 satellite
SES-5 satellite

The launch date will be determined at a later time.


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