What is the period of eligibility for the Post-9/11 GI Bill?

The period of eligibility for the Post 9/11 GI Bill ends 15 years from the date of the last discharge or release from active duty of at least:

* 90 consecutive days
* 30 days but less than 90 days if released for a service-connected disability

Or 15 years from the date of discharge for the last period of service used to meet the minimum service requirements of 90 aggregate days of service.