INTRODUCTIONS Defense Secretary Leon E. Panetta shakes hands with Walter P.Havenstein as he introduces himself during a meeting with representatives of the aerospace industry to discuss the impact of impending budget cuts on the department at the Aerospace Industries Association in Arlington, Va., Jan. 20, 2012. Havenstein is an association board member. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 566670-F-HAU17-491.jpg Photo Gallery