Spying on the Plasma Tests
In this 1966 experiment at the Lewis Research Center (now the John H. Glenn Research Center) in Cleveland, Ohio, a scientist watches simulated Van Allen Belts created by a plasma thruster.
![16469728439_2c44525d9b_k.jpg](https://th-thumbnailer.cdn-si-edu.com/3i4KvL5_18P50yYbw7xEfX-ITHc=/1000x750/filters:no_upscale()/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/51/d4/51d46389-10b7-43d7-b2e3-8bd069eb9760/16469728439_2c44525d9b_k.jpg)
In this 1966 experiment at the Lewis Research Center (now the John H. Glenn Research Center) in Cleveland, Ohio, a scientist watches simulated Van Allen Belts created by a plasma thruster.