US Air Force STAFF Sergeant Steven Williams, a Jet Engine Mechanic with the 48th Component Repair Squadron, 48th Fighter Wing, Royal Air Force Lakenheath, United Kingdom, gives Major General Kenneth Hess, Third Air Force Commander, RAF Mildenhall, a briefing on engine maintenance during his visit to the base. MGEN Hess was visiting RAF Lakenheath for a familiarization of the bases' mission