As seen through a night-vision device, a CH-47 Chinook helicopter lifts off to transport an M777A2 weapons system during slingload operations on Forward Operating Base Lightning in Afghanistan's Paktya province, Sept. 24, 2014. As seen through a night-vision device, a CH-47 Chinook helicopter lifts off to transport an M777A2 weapons system during slingload operations on Forward Operating Base Lightning in Afghanistan's Paktya province, Sept. 24, 2014. SHARE IMAGE: Download Image: Full Size (2.15 MB) Tags: Photo Essays Photo By: VIRIN: 403693-L-DOI93-073.jpg Photo Gallery