Djibouti Marksmanship Air Force Master Sgt. Russ Scalf practices M4 carbine marksmanship along the southern coast of the Gulf of Tadjoura in Djibouti, Aug. 1, 2017. Scalf is assigned to Combined Joint Task Force Horn of Africa Combat Camera. Air Force photo by Staff Sgt. Nicholas A. Priest SHARE: Download: Full Size (0.24 MB) Credit: Staff Sgt. Nicholas Priest VIRIN: 170801-F-WF811-0149C.JPG Photo Gallery