National Guard Response Air Force Gen. Joseph L. Lengyel, chief of the National Guard Bureau, and Army Brig. Gen. D. Keith Waddell, adjutant general of Louisiana, conduct a Pentagon briefing by phone about National Guard response efforts to the COVID-19 pandemic, April 8, 2020. SHARE: Download: Full Size (1.96 MB) Tags: air force, national guard, coronavirus Credit: Lisa Ferdinando, DOD VIRIN: 200408-D-BN624-0061Y.JPG Photo Gallery