A CH-47 Chinook helicopter flies off with an M777 howitzer during slingload operations on Tactical Base Gamberi, Laghman province, Afghanistan, Jan. 23, 2015. A CH-47 Chinook helicopter flies off with an M777 howitzer during slingload operations on Tactical Base Gamberi, Laghman province, Afghanistan, Jan. 23, 2015. SHARE IMAGE: Download Image: Full Size (2.41 MB) Tags: Photo Essays Photo By: VIRIN: 926886-T-DKS03-069.jpg Photo Gallery