Army Chief of Staff Gen. Raymond T. Odierno, left, and his wife, Linda, right, attend "A Nation's Gratitude Dinner," an event hosted by President Barack Obama and First Lady Michelle Obama to honor Iraq War veterans at the White House in Washington, D.C., Feb. 29, 2012. Army Chief of Staff Gen. Raymond T. Odierno, left, and his wife, Linda, right, attend "A Nation's Gratitude Dinner," an event hosted by President Barack Obama and First Lady Michelle Obama to honor Iraq War veterans at the White House in Washington, D.C., Feb. 29, 2012. SHARE: Download: Full Size (2.98 MB) Tags: Photo Essays Credit: VIRIN: 164302-C-BXB66-198.jpg Photo Gallery