U.S. Army Sgt. Derek D. Niegsch, center, demonstrates how to pull an emergency sled for a multinational group of soldiers as part of first responder training, in Pfullendorf, Germany, Feb. 18, 2015. The purpose of the exercise is to teach NATO-allied special forces how to treat combat trauma casualties. Niegsch is a medical branch Instructor assigned to the International Special Training Center. U.S. Army Sgt. Derek D. Niegsch, center, demonstrates how to pull an emergency sled for a multinational group of soldiers as part of first responder training, in Pfullendorf, Germany, Feb. 18, 2015. The purpose of the exercise is to teach NATO-allied special forces how to treat combat trauma casualties. Niegsch is a medical branch Instructor assigned to the International Special Training Center. SHARE IMAGE: Download Image: Full Size (2.01 MB) Tags: Photo Essays Photo By: VIRIN: 887926-G-KDR67-495.jpg Photo Gallery