You must first install and activate your Master Your CDC software, before you can purchase unlock codes online.

Selecting unlock or updates for a CDC database is a three step process:

Step 1: Validate your software registration and choose your AFSC

Input is required for all fields

Last Name:  Master Your CDC Serial Number:  Career Category/Group:  Choose one (PME) Professional Military Education(02) Specialized Courses(1A) Aircrew Operations(1C) Command Control System Operations(1P) Aircrew Flight Equipment(1N) Intelligence(1S) Safety(1T) Aircrew Protection(1W) Weather(2A) Aerospace Maintenance(2E) Communications(2F) Fuels(2G) Logistics Plans(2M) Missile Maintenance(2P) Precision Measurement(2R) Maintenance Management Analysis(2S) Supply(2T) Transportation/Vehicle Maintenance(2W) Munitions & Weapons(3A) Information Management(3C) Communications - Computer Systems(3D) Cyberspace Operations(3E) Civil Engineering(3M) Services(3N) Public Affairs(3P) Security Forces(3S) Mission Support(3V) Visual Information(4) Medical(4Y) Dental(5J) Paralegal(5R) Chaplain Services Support(6C) Contracting(6F) Financial(9S) Reporting Identifiers AFSC:  First choose your career field Your unlock code allows you to open additional CDC databases, and will be provided to you immediately upon checkout, as well as in a follow up email. For this reason we are unable to offer refunds once the unlock code has been delivered. I agree that all sales of unlock/update codes are final.