LOADING LESSONS U.S. Army soldiers and Marines practice sling-loading at an airstrip outside Camp Lemonier, Djibouti, Oct. 9, 2008. The soldiers are assigned to the 2nd Battalion, 18th Field Artillery Regiment; the Marines to Marine Heavy Helicopter Squadron 464. Both are assigned to the Combined Joint Task Force - Horn of Africa. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 962610-X-IWI36-482.jpg Photo Gallery