Col. Matthew Jones, 436th Airlift Wing commander, tests a demo sample on a COVID-19 testing machine at the Baltimore/Washington International Thurgood Marshall Airport in Baltimore, Maryland, Jan. 15, 2021. Passengers must fill out a pre-travel questionnaire and complete an on-site temperature check prior to their flights. If testing is required, they will be sent to the in-house testing center where they will have a nasal swab sample collected and tested. (U.S. Air Force photo by Senior Airman Christopher Quail)

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Photo by: Senior Airman Christopher Quail |  VIRIN: 210115-F-NX530-1149.JPG