CHEF'S HONOR Defense Secretary Chuck Hagel swaps shoulder boards for Army Spc. Kevin Arwood as he is promoted to the rank of sergeant at the Pentagon, Dec. 4, 2013. Arwood, of Indiana, is a member of the elete team of military chefs who work in the Secretary's Mess at the Pentagon. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 374601-U-PDE67-457.jpg Photo Gallery