Army Credentialing Opportunities On-Line (COOL) helps Army Service members find information on certifications and licenses related to their military occupation and civilian careers.
- Regular Army: Active Duty
- Regular Army: Retired
- Army National Guard: Active Duty Under Title 10 USC or Title 32 USC (Full-Time National Guard Duty)
- Army National Guard: State Active Duty
- Army National Guard: Drilling
- Army National Guard: Retired
- Army Reserve: Active Duty
- Army Reserve: Drilling
- Army Reserve: Retired