Mortar Operations A U.S. soldier, foreground, teaches other soldiers how to operate an M224 mortar system during a live-fire exercise near Camp Lemonnier, Djibouti, Dec. 16, 2015. The soldiers are mortarmen and light infantrymen assigned to East African Response Force, Combined Joint Task Force Horn of Africa. U.S. Air Force photo by Senior Airman Cory D. Payne SHARE: Download: Full Size (1.21 MB) Tags: HOA, mrap, Horn of Africa, Photo Essays, Djibouti, 75th EAS; cargo; MRAP; CJTF-HOA; HOA; Horn of Africa; Djibouti, Cargo, All images Credit: Senior Airman Cory Payne VIRIN: 151216-F-WJ663-026.JPG Photo Gallery