LANGLEY AIR FORCE, Va. -- Staff Sgt. Keith Westry, 1st Civil Engineer Squadron utilities and liquid fuel journeyman, shops for supplies at the B3 Servmart hardware store here Aug. 21. ServMart is located within the main 1st CES building, where it sells common construction, plumbing and electrical supplies to Langley customers. (U.S. Air Force photo/Staff Sgt. Barry Loo)