Staff Sergeant Aaron Webb fires the Beretta M9 as part of his requalification May 16, 2011, at Arnold Air Force Base, Tenn. Sergeant Webb is assigned to the 134th Security Forces Squadron. (U.S. Air Force photo/Staff Sergeant Scott Hollis) Photo essay: Security forces members train in heavy arms by SSgt Scott Hollis 134th Air Refueling Wing Public Affairs 6/6/2011 - ARNOLD AIR FORCE BASE, Tenn.  -- Members of the 134th Security Forces Squadron spend three days training on entry tactics, heavy arms, and re-qualifying on the Beretta M9 and M4 Carbine here May 16. View the slideshow.