U.S. Defense Secretary Chuck Hagel, left, speaks with U.S. Army Lt. Gen. Robert B. Abrams, his senior military assistant, before the first session of the North Atlantic Council at NATO headquarters in Brussels, June 3, 2014. U.S. Defense Secretary Chuck Hagel, left, speaks with U.S. Army Lt. Gen. Robert B. Abrams, his senior military assistant, before the first session of the North Atlantic Council at NATO headquarters in Brussels, June 3, 2014. SHARE: Download: Full Size (1.72 MB) Tags: Photo Essays Credit: VIRIN: 420864-R-YUJ42-702.jpg Photo Gallery