Digging in
Staff Sgt. Jesse Stokes, 435th Security Forces Squadron civil engineer, tests the strength of the soil using a dynamic cone penetrometer, while Tech. Sgt. Stanley MacDonald, 435th Contingency Response Group air traffic controller, records the number of blows per inch during an airfield assessment at RAF Fairford, England, April 23, 2012. Members of the 435 CRG airfield assessment team assessed the airfield for the arrival of follow on 86th Airlift Wing forces.