Deputy Secretary of Defense Kathleen H. Hicks, Memorandum, Updated Mask Guidance for all DoD Installations and Other Facilities (July 28, 2021) (Ex. AGY-DEFENSE-GUARD-081)
Deputy Secretary of Defense Kathleen H. Hicks, Memorandum, Updated Mask Guidelines for Vaccinated Persons (May 13, 2021) (Ex. AGY-DEFENSE-GUARD-075)
