The satellite had an estimated useful life of 5 years.

It was a 647-kilogram (1,426 lb) spacecraft equipped with two transponders to be powered by body-mounted solar cells generating 183 watts of power.

[3] It had a design life of five years and carried an SVM-2 apogee motor for propulsion.

Intelsat III F-7 was launched by a Delta M rocket, flying from Launch Complex 17A at the Cape Canaveral Air Force Station.

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