A three-month paid returnship at The Aerospace Corporation for experienced STEM professionals who have been out of the workforce for two or more years and want to restart their careers. Participants receive training, a dedicated programme mentor and networking support while working on real space enterprise problems, and the company reports a 100 percent conversion rate from re-entry participant to regular full-time employee. Requirements include a current career break of two or more years evident on the resume, a bachelor's, master's or PhD in a science, technology, engineering or mathematics discipline, at least four years of prior aerospace, defence or relevant work experience, availability for a three-month temporary full-time position, ability to work on site at an Aerospace location, and eligibility for a US government security clearance, which requires US citizenship.