launched fromUSA

SCORE

Success

DEC 18195823:02:00 UTC

First use of an Atlas vehicle for a space launch.

First use of an Atlas vehicle for a space launch.

LIFTOFF

DEC 18 1958

23:02:00 UTC

Success

launched fromLC-11Canaveral

aboardAtlas B10BintoLEO

Payload

SCORE

Comsat