Sean Paulsen, an electrician for Singleton Electric Co. installs wiring underneath the floor of the 4th floor of the William A. Jones III building which nears completion after 16 months of construction. The new building will be home to Air Force District of Washington, 11th Wing and other agencies. The $100 million building is a five story, green office complex that will be complete in March 2011. (U.S. Air Force photos by Senior Airman Melissa V. Brownstein)