Checking for Clearance Army Spc. Logan Mattix looks out the window of a CH-47 Chinook helicopter for clearance before takeoff to perform a low altitude supply delivery exercise at Kahuku Training Area, Hawaii, Dec. 12, 2017. Mattix is a crew chief assigned to the 25th Infantry Division’s 25th Combat Aviation Brigade. Army photo by Sgt. Ian Ives SHARE: Download: Full Size (1.67 MB) Tags: Pacific Command, Soldiers, Army, training, Pacom Credit: Sgt. Ian Ives VIRIN: 171212-A-IV742-016A.JPG Photo Gallery