Access the new courses here:
https://dantes.petersons.com

Pre-2020 OASC & CPST courses accessed here, as a:

Pre-2020 Peterson's Online Basic Skills Courses

Peterson's have a completely new OASC and CPST course offering for 2020. Enhancements include completely new content, engaging interactives, customized learning paths, and a new user interface. Available free for Service Members, Family members of active Service Members, and DoD Civilians, here: https://dantes.petersons.com

To access these, older courses, simply select which type of member you are (Service Member, or Family/DoD Civilian), log-in, and select your course. Note, we no longer accept registration's for this version of the product. Sign-up for the new version here: https://dantes.petersons.com