US Air Force (USAF) SENIOR AIRMAN (SRA) Morgan Davis, 52nd Security Forces Squadron (SFS), uses a night vision monocular to scan the perimeter, while deployed with the 398th Air Expeditionary Group (AEG) to provide personnel recovery and emergency evacuation capability for the Humanitarian Assistance Survey Team (HAST) and the Fleet Anti-terrorism Security Team (FAST), at Lungi, Sierra Leone, in support of Joint Task Force (JTF) Liberia