Maj. Lisa Morris, Lt. Col. Esther Mitchell and Maj. Jolina Griffin, nurses with the 507th Medical Squadron at Tinker Air Force Base, Oklahoma, prepare to deploy to help the fight against COVID-19 April 7, 2020. The deployment is part of a larger mobilization package of more than 120 doctors, nurses and respiratory technicians Air Force Reserve units across the nation provided within 48 hours in support of COVID-19 response to take care of Americans. (U.S. Air Force graphic by Senior Airman Mary Begy)