Force Health Protection Guidance (Supplement 7) - Department of Defense Guidance for the Use of Cloth Face Coverings, Personal Protective Equipment, and Non-Pharmaceutical Interventions During the Coronavirus Disease 2019 Pandemic [open pdf - 216KB]
From the Document: "This memorandum implements reference (a). The DoD continues to rapidly adapt its response to the coronavirus disease 2019 (COVID-19) pandemic to protect the force and ensure the continuation of DoD missions. This memorandum rescinds reference (b), and replaces it with the guidance below on cloth face coverings and updated guidance on personal protective equipment (PPE) and non-pharmaceutical interventions (NPI's)."
U.S. Department of Defense: https://www.defense.gov/