Col. James Browne, 325th Fighter Wing Commander, operates a Marshall Brothers Industrial, Inc. CATERPILLAR 330C Excavator while demolishing a building at Tyndall Air Force Base May 17. With new buildings being built at Tyndall, more old buildings are being torn down. During the past two months, six buildings have been demolished and three more are scheduled for demolition this fiscal year. (U.S. Air Force photo by Lisa Norman)