Air Force Chief of Staff Gen. Norton A. Schwartz greets Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, is upon his arrival for commencement exercises in Falcon Stadium at the U.S. Air Force Academy, Colorado Springs, Colo., May 26, 2010. Air Force Chief of Staff Gen. Norton A. Schwartz greets Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, is upon his arrival for commencement exercises in Falcon Stadium at the U.S. Air Force Academy, Colorado Springs, Colo., May 26, 2010. SHARE: Download: Full Size (3.65 MB) Tags: Photo Essays Credit: VIRIN: 645627-Z-VCK45-444.jpg Photo Gallery