Army Capt. Isaac Rademacher stands in front of the screen after the premiere of 'Brothers at War' Feb. 20 at the National Press Club. Isaac has been deployed four times and spent three years in a combat zone. His brother Jake was motivated to make the documentary because he felt a growing gap between himself and his brothers. - Army Capt. Isaac Rademacher stands in front of the screen after the premiere of 'Brothers at War' Feb. 20 at the National Press Club. Isaac has been deployed four times and spent three years in a combat zone. His brother Jake was motivated to make the documentary because he felt a growing gap between himself and his brothers.