In 1944 he organized the electronics efforts at the Jet Propulsion Laboratory (JPL) to support guided missile research and development. In 1958 the lab's projects were transferred to the National Aeronautics and Space Administration (NASA) and Pickering's team concentrated on NASA's unmanned space-flight program. JPL, under Pickering's direction flew further Explorer 3 and Pioneer missions as well as the Ranger and Surveyor missions to the moon and the several Mariner flybys of Venus and Mars.
