TUBA CITY, Ariz. (Feb. 5, 2021) Lynette Bonar, right, Chief Executive Officer of the Tuba City Regional Health Care Corporation, presents a challenge coin to Lt. jg. Abigail Waller, Feb. 5, 2021. Waller is one of five Navy Critical Care Nurses part of a Department of Defense response supporting the Tuba City Regional Health Care Corporation as part of Defense Support to Civil Authorities (DSCA) during the pandemic. U.S. Northern Command, through U.S. Army North, remains committed to providing flexible Department of Defense support to the whole-of-government COVID-19 response. (U.S. Navy photo by Cmdr. Denver Applehans)