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ESA - the first 30 years

27 May 2005

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Roger Elaerts, Head of ESA's Education Department

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ESA’s first telecommunications satellite, OTS-1, was lost in September 1977 when its US launch vehicle, a Delta 3914 launcher, exploded soon after liftoff. OTS-2 was launched successfully the following year and remained in orbit for 5 years.

Credits: ESA

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First telex ever sent by an ESA telecommunications satellite. The telex was transmitted by ESA's OTS satellite on 25 May 1978.

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Lesley Bonnefoy, Administrator, Human Resources Division, ESA Paris

ESA 30th Anniversary

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