April 28, 2025 Defense Secretary Orders Review of Medical Standards for Military Enlistment Defense Secretary Pete Hegseth signed a memorandum directing a comprehensive review of medical conditions that disqualify individuals from joining the military.
Aug. 26, 2021 Secretary of Defense Mandates COVID-19 Vaccinations for Service Members Secretary of Defense Lloyd J. Austin III issued a memorandum directing the secretaries of the military departments to immediately begin full vaccination of all members of the department on active duty or in the Guard or Reserve who aren't yet fully vaccinated against COVID-19.
