Members of the Patriot Express COVID-19 testing crew pose for a photo with 436th Airlift Wing leaders at the Baltimore/Washington International Thurgood Marshall Airport in Baltimore, Maryland, Jan. 15, 2021. The site provides on-site rapid COVID-19 testing for service members and their families for official travel overseas. This operation helps ensure U.S. Transportation Command’s continued fulfillment of national security requirements while providing for the health and safety of service members, families and international partners. (U.S. Air Force photo by Senior Airman Christopher Quail)