COMBINED AIR OPERATIONS U.S. Air Force Staff Sgt Cristina Kavanagh, left, and 1st Lt. Tanya Frazier provide space-based theater ballistic warning to U.S. forces in the Southwest Asia theater from the Combat Operations Space Cell inside the Combined Air Operations Center. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 356720-S-UGC70-038.jpg Photo Gallery