Explorer 18 - Space launch mission detailed information
Explorer 18 18
27 NOV 1963
United States Air Force
Space Launch Complex 17B
Explorer 18 (IMP 1, Interplanetary Monitoring Platform) was a solar-cell and chemical-battery powered spacecraft instrumented for interplanetary and distant magnetospheric studies of energetic particles, cosmic rays, magnetic fields, and plasmas.
Thor Delta C
American orbital launch vehicle family with Thor first stage and a delta second stage.