AIRSPACE SCAN U.S. Army Spc. Cameron Ramirez scans his airspace while communicating with the rest of his U.S. Army CH-47 Chinook helicopter crew during a personnel and equipment movement mission over Kunar province, Afghanistan, Nov. 28, 2013. Ramirez, a crew chief, is assigned to the 3rd Battalion General Support, 10th Combat Aviation Brigade, deployed from the Oklahoma National Guard. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 881016-D-PNR89-013.jpg Photo Gallery