Soldiers from Fort Carson, Colo., and Joint Base Lewis-McChord (JBLM) work to set up a field hospital inside CenturyLink Field Event Center, Tuesday, March 31, 2020, in Seattle. Soldiers from the 627th Army Hospital and from JBLM will staff the 250-bed hospital to be used for non-COVID-19 cases, allowing local hospitals additional space for patients affected by the coronavirus outbreak. Officials said that the field hospital is expected to be ready to receive patients next week. (AP Photo/Elaine Thompson)

Soldiers from Fort Carson, Colo., and Joint Base Lewis-McChord (JBLM) unload supplies as they work to set up a field hospital inside CenturyLink Field Event Center, Tuesday, March 31, 2020, in Seattle. The 250-bed hospital is to be used for non-COVID-19 cases, allowing local hospitals additional space for patients affected by the coronavirus outbreak. Officials said that the field hospital is expected to be ready to receive patients next week. (AP Photo/Elaine Thompson)

Soldiers from Fort Carson, Col., and Joint Base Lewis-McChord (JBLM) set up a field hospital inside CenturyLink Field Event Center, Tuesday, March 31, 2020, in Seattle. The 250-bed hospital is to be used for non-COVID-19 cases, allowing local hospitals additional space for patients affected by the coronavirus outbreak. Officials said that the field hospital is expected to be ready to receive patients next week. (AP Photo/Elaine Thompson)

A U.S. Army soldier walks inside a mobile surgical unit being set up by soldiers from Fort Carson, Col., and Joint Base Lewis-McChord (JBLM) as part of a field hospital inside CenturyLink Field Event Center, Tuesday, March 31, 2020, in Seattle. Soldiers from the 627th Army Hospital at Fort Carson, will join soldiers from JBLM to staff the 250-bed hospital to be used for non-COVID-19 cases, allowing local hospitals additional space for patients affected by the coronavirus outbreak. Officials said that the field hospital is expected to be ready to receive patients next week. (AP Photo/Elaine Thompson), APTOPIX

U.S. Army soldiers from Fort Carson, Col., and Joint Base Lewis-McChord (JBLM) work to set up a field hospital inside CenturyLink Field Event Center, adjacent to the Seattle Seahawks football stadium, Tuesday, March 31, 2020, in Seattle. Soldiers from the 627th Army Hospital at Fort Carson, will join soldiers from JBLM to staff the 250-bed hospital to be used for non-COVID-19 cases, allowing local hospitals additional space for patients affected by the coronavirus outbreak. Officials said that the field hospital is expected to be ready to receive patients next week. (AP Photo/Elaine Thompson)

U.S. Army soldiers from Fort Carson, Col., and Joint Base Lewis-McChord (JBLM) work to set up a field hospital inside CenturyLink Field Event Center, Tuesday, March 31, 2020, in Seattle. Soldiers from the 627th Army Hospital at Fort Carson, will join soldiers from JBLM to staff the 250-bed hospital to be used for non-COVID-19 cases, allowing local hospitals additional space for patients affected by the coronavirus outbreak. Officials said that the field hospital is expected to be ready to receive patients next week. (AP Photo/Elaine Thompson)

U.S. Army soldiers from Fort Carson, Col., and Joint Base Lewis-McChord (JBLM) work to set up a field hospital inside CenturyLink Field Event Center, Tuesday, March 31, 2020, in Seattle. Soldiers from the 627th Army Hospital at Fort Carson, will join soldiers from JBLM to staff the 250-bed hospital to be used for non-COVID-19 cases, allowing local hospitals additional space for patients affected by the coronavirus outbreak. Officials said that the field hospital is expected to be ready to receive patients next week. (AP Photo/Elaine Thompson)