Feel free at any given time to refer to https://nupocaccessions.blogspot.com/ for further information about the NUPOC Program itself. This website is here to solely provide you with instructions and forms for application process.
Posted below are the motivational statements of successful applicants. These are a good reference to help you build your own motivational statement, which is part of you APSR (see Docs For App page).
Nuclear Propulsion Officer Candidate Program 