Oklahoma State University offers an online Ed.D. in Aviation and Space. 100% online Complete in 2 to 4 years full-time Transfer up to 30 master's credit (31 minimum to earn the Ed.D.) $442.35/credit (in-state), $572.55 (out of state) https://osuonline.okstate.edu/programs/graduate/aviation-and-space-doctoral-of-education.html The Ed.D. is an abused degree. What's next? Ed.D. in Engineering? Ed.D. in Forensic Science?