Reserve Citizen Airmen load simulated patients onto a bus for an aeromedical evacuation during Exercise Nexus Dawn at March Air Reserve Base, California, April 27, 2021. Nexus Dawn is a readiness exercise designed to test the ability of certain Air Force Reserve units to generate, employ and sustain air operations in a simulated combat environment. Reserve Citizen Airmen from Travis, Beale, March, and McConnell Air Force Bases and Joint Base Lewis-McChord participated in the exercise, along with Air National Guardsmen from Fresno, California. (U.S. Air Force photo by Senior Airman Ann Butler)