Science & Exploration
COS-B ready for launch
COS-B shown here ready for launch by NASA on behalf of ESA on a Thor Delta 2913 launch vehicle from the Western Test Range, California, on 9 August 1975.
COS-B shown here ready for launch by NASA on behalf of ESA on a Thor Delta 2913 launch vehicle from the Western Test Range, California, on 9 August 1975.
