US Air Force (USAF) Technical Sergeant (TSGT) Chad Marie and SENIOR AIRMAN (SRA) Richard Hopen, both assigned to the 85th Maintenance Squadron (MXS), 398th Air Expeditionary Group (AEG), work to remove a refueling drogue from an aircrafts refueling probe, while deployed at deployed at Lungi, Sierra Leone. The 398th AEG is currently in Sierra Leone to provide personnel recovery and emergency evacuation capability for the Humanitarian Assistance Survey Teams (HAST) and the Fleet Anti-terrorism Security Teams (FAST) in Liberia, during Joint Task Force (JTF) Liberia