Army AH-64E Apache helicopter pilots, assigned to 16th Combat Aviation Brigade, 7th Infantry Division, fly overhead as sun’s light fades over Joint Base Lewis-McChord, Wash., May 25, 2016. Training in the dark prepares aviators for the challenges they might face on real-world missions. Apaches are among the equipment the United States has sold to India as part of the two nations’ growing defense relationship. Army photo by Capt. Brian Harris