Petty Officer 2nd Class Nicholas Sudduth, center, a

Petty Officer 2nd Class Nicholas Sudduth, center, a Lyman, Wyo., native and head corpsman for 11th Marine Expeditionary Unit's maritime raid force, evaluates a simulated casualty during an exercise here July 17. The MRF, along with a section of the unit's aviation combat element, Marine Medium Helicopter Squadron 268 (Reinforced), and command element, are taking part in a large-scale exercise with ocean and urban-based scenarios.