Sergeant writes notes in loose leaf notebooks and Major talks on phone in NORAD COC on Cheyenne Mountain, Colorado.

North American Aerospace Defense Command (NORAD) combat operation center (COC) on Cheyenne Mountain in Colorado, United states. Major and Sergeant seated at consoles. They write notes in loose leaf notebooks. Major picks up a phone,talks and replaces it. Bulletin board labeled 'objects pending decay' shows disposition of USSR and US satellites. Box score bulletin board shows the status of space debris from various countries. Space Defense Center display satellites bulletin board.