Defense attache U.S. Air Force Brig. Gen. Dan Eagle, left; Russian General-Major Vladimir Ivanovich Nikishin, deputy chief of international treaties, center; and Russian General-Colonel Vladimir Aleksandrovich Popovkin, commander of space forces, right, greet Defense Secretary Robert M. Gates upon his arrival in Moscow, April 23. Photo by Cherie A. Thurlby Defense attache U.S. Air Force Brig. Gen. Dan Eagle, left; Russian General-Major Vladimir Ivanovich Nikishin, deputy chief of international treaties, center; and Russian General-Colonel Vladimir Aleksandrovich Popovkin, commander of space forces, right, greet Defense Secretary Robert M. Gates upon his arrival in Moscow, April 23. Photo by Cherie A. Thurlby SHARE: Download: Full Size (1.4 MB) Credit: VIRIN: 692631-A-OSH23-522.jpg Photo Gallery