Active-duty families and military retirees will not be able to enroll in or change their 2020 Tricare health insurance plans online despite previous reports about the open enrollment period process, the Defense Health Agency (DHA) announced Nov. 22. This means eligible beneficiaries have only two options to sign up for Tricare or change their plans for next year during open season: call or mail. The enrollment period ends Dec. 9; it began Nov. 11. Read more on Military.com.