Chemical Light A Marine uses chemical light sticks to direct an MV-22B Osprey into a landing zone during an external lift exercise at Camp Lejeune, N.C., Jan. 24, 2017. An external lift provides a fast, effective way to move cargo and other heavy equipment, increasing the logistic capabilities of ground elements. The Marine is assigned to Combat Logistics Battalion 26. Marine Corps photo by Lance Cpl. Damarko Bones SHARE: Download: Full Size (0.18 MB) Credit: Lance Cpl. Damarko Bones VIRIN: 170124-M-ZQ305-069C.JPG Photo Gallery