NATO Supreme Allied Commander Transformation Gen. Stéphane Abrial briefs the Pentagon press corps NATO Supreme Allied Commander Transformation Gen. Stéphane Abrial briefs the Pentagon press corps on his tenure with NATO in the Pentagon Press Briefing Room on Sept. 17, 2012. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 374908-A-GCB37-907.jpg Photo Gallery