Col. Scott C. Humphrey, left, salutes Lt. Gen. Kirk S. Pierce, the Continental U.S. North American Aerospace Defense Region (CONR)-1st Air Force (Air Forces Northern) commander, during the Western Air Defense Sector virtual assumption of command ceremony Aug. 6, 2020, at Joint Base Lewis-McChord, Wash. Due to COVID-19 health precautions, Pierce presided over the ceremony via teleconference from Tyndall Air Force Base, Fla. Chief Master Sgt. Laurie Doyle, WADS senior enlisted advisor, holds the WADS guidon. (U.S. Air National Guard photo by Maj. Kimberly D. Burke)