The education required to become a state trooper varies by state, but in general at least a year of post-high school education is required. In some states, if you have served in the military the post-high school educational requirement is waived because of your experience.
You can enroll in Medicare Part D coverage once you meet both of the above requirements. Your Initial Enrollment Period for Part D is when you're first eligible to sign up for prescription drug benefits, and this period usually coincides with when you're first eligible for Medicare coverage.
How to enroll in Medicare Part D. Once you decide if you want to enroll into a Medicare Prescription Drug Plan or a Medicare Advantage plan that includes drug coverage, you can apply directly through the insurance company.