CHINOOK HOOK U.S. soldiers hook up a slingload to a CH-47 Chinook helicopter on Camp Marmal, Afghanistan, July 1, 2014. The soldiers who hooked up the slingload are assigned to the 1569th Transportation Company, and the helicopter crew members who provided support are assigned to Company B, 1st Battalion, 169th General Support Aviation Battalion. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 330806-K-QHT32-204.jpg Photo Gallery