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U.S. Army Lt. Col. Charles Calio, the public affairs officer deployed with Task Force 46, headquartered in Lansing, Mich., receives the Pfizer COVID-19 vaccine at the Navy Hospital at Camp Pendleton in Oceanside, Calif., Jan. 19, 2021. Dana Dallas, DLA Troop Support Medical cold chain expert, has been working for nearly two decades at maintaining and improving procedures and packaging to ensure safe delivery of vaccines and other Medical materiel such as this. (U.S. Army photo by Pfc. Garrison Waites/5th Mobile Public Affairs Detachment)

U.S. Army Lt. Col. Charles Calio, the public affairs officer deployed with Task Force 46, headquartered in Lansing, Mich., receives the Pfizer COVID-19 vaccine at the Navy Hospital at Camp Pendleton in Oceanside, Calif., Jan. 19, 2021. Dana Dallas, DLA Troop Support Medical cold chain expert, has been working for nearly two decades at maintaining and improving procedures and packaging to ensure safe delivery of vaccines and other Medical materiel such as this. (U.S. Army photo by Pfc. Garrison Waites/5th Mobile Public Affairs Detachment)

U.S. Army Lt. Col. Charles Calio, the public affairs officer deployed with Task Force 46, headquartered in Lansing, Mich., receives the Pfizer COVID-19 vaccine at the Navy Hospital at Camp Pendleton in Oceanside, Calif., Jan. 19, 2021. Dana Dallas, DLA Troop Support Medical cold chain expert, has been working for nearly two decades at maintaining and improving procedures and packaging to ensure safe delivery of vaccines and other Medical materiel such as this. (U.S. Army photo by Pfc. Garrison Waites/5th Mobile Public Affairs Detachment)

U.S. Army Lt. Col. Charles Calio, the public affairs officer deployed with Task Force 46, headquartered in Lansing, Mich., receives the Pfizer COVID-19 vaccine at the Navy Hospital at Camp Pendleton in Oceanside, Calif., Jan. 19, 2021. Dana Dallas, DLA Troop Support Medical cold chain expert, has been working for nearly two decades at maintaining and improving procedures and packaging to ensure safe delivery of vaccines and other Medical materiel such as this. (U.S. Army photo by Pfc. Garrison Waites/5th Mobile Public Affairs Detachment)