Sending Signals An Air Force master sergeant deployed to Combined Joint Task Force – Horn of Africa, and soldiers assigned to the psychological Operations team, learn to use a signaling device during a survival, evasion, resistance and escape class at Camp Lemonnier, Djibouti, July 27, 2018. Air Force photo by Senior Airman Haley D. Phillips SHARE: Download: Full Size (1.83 MB) Tags: CJTF-HOA, africom, Djibouti, Camp Lemonnier, Combined Joint Task Force - Horn of Africa, Africa Command, Soldiers, Army Credit: Airman 1st Class Haley Phillips VIRIN: 180727-F-MQ811-0271.JPG Photo Gallery