A coalition soldier provides medical aid to a mock casualty during a base defense emergency response exercise on Bagram Airfield, Afghanistan, April 10, 2015. A coalition soldier provides medical aid to a mock casualty during a base defense emergency response exercise on Bagram Airfield, Afghanistan, April 10, 2015. SHARE IMAGE: Download Image: Full Size (1.89 MB) Tags: Photo Essays Photo By: VIRIN: 841083-E-HWO96-453.jpg Photo Gallery