Northern Lights The northern lights glow behind a Patriot launcher during Exercise Arctic Edge 2022 at Eielson Air Force Base, Alaska, March 5, 2022. The equipment—assigned to 5th Battalion, 52nd Air Defense Artillery Regiment—was integrated during the exercise for simulated air and missile defense in austere arctic environments. SHARE IMAGE: Download Image: Full Size (5.95 MB) Photo By: Air Force Senior Airman Joseph P. LeVeille VIRIN: 220305-F-EI268-1044.JPG Photo Gallery