While national interest is focused on Moon 2024 and commercial crew testing, our duty of care to protect the public and our employees from terrestrial research hazards has not diminished. In the domain of radiation testing for spaceflight components, our Radiation Safety Officers work hard to provide “yes, if” controls to use radiation sources safely on a regular basis. Presented by the Jet Propulsion Laboratory, this is a success story of control over Cobalt-60 pellets used to impose a Total Ionizing Dose on Electrical, Electronic and Electromechanical parts.