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.
During your Initial Enrollment Period. Your first chance to sign up for Medicare starts three months before your 65th birthday, includes the month you turn 65, and ends three months after the month you turn 65. These seven months are called the Initial Enrollment Period.