You asked us: Where can I find CDC materials or guides for WAPS testing?

Find course and other study materials at https://www.studyguides.af.mil/  

There you'll find:

• AF handbook study guide questions
• AF Handbook 1, Airman
• Enlisted promotion study guides
• Enlisted promotions references and requirements catalog (EPRRC)
• CDC/SKT References
• Electronic WAPS Online Reference Library Database (EWORLD)