Lt. Gen. Kirk S. Pierce, left, the Continental U.S. North American Aerospace Defense Region (CONR)-1st Air Force (Air Forces Northern) commander, gives his opening remarks prior to Col. Scott C. Humphrey, right, assuming command of the Western Air Defense Sector via a 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. (U.S. Air National Guard photo by Maj. Kimberly D. Burke)