US Air Force (USAF) personnel of the 48th Medical Group (MSG), Royal Air Force (RAF) Lakenheath, United Kingdom (UK), in Mission-Oriented Protective Posture response level 4 (MOPP-4) gear, take part in a Field Medical Readiness Training (FMRT) exercise during a tactical evaluation. The FMRT is an Air Expeditionary Force (AEF) requirement of medical personnel for continual contingency training of wartime situations