Flight Lieutenant, John Dunn, Royal Air Force (RAF) Mountain Rescue, advances through the snow towards MASTER Sergeant (MSGT), Brent C. Severson and Technical Sergeant (TSGT) Elbert L. Arnold, USAF, 48TH Tactical Fighter Wing, Royal Air Force (RAF), Lakenheath, UK to pass on information updates. MSGT Severson and TSGT Arnold are members of the investigation team searching the area in the Scottish Highlands where two USAF F-15C aircraft from the 493rd Tactical Fighter Squadron recently crashed