Clip regarding excavation of North American Aerospace Defense Command (NORAD) combat operation center (COC) at Cheyenne Mountain in Colorado, United States. View of the NORAD Combat Operations Center (COC) at Ent Air Force Base in Colorado Spring, Colorado. Trees in the foreground. View of an atomic bomb or nuclear blast. Mushroom cloud rising after blast. Next scene show ground breaking ceremony for the new NORAD COC. Spectators seated. View of mountain. Flags flutter in wind from flagpole. Artwork depicts passageways and three level building in hardsite. General Laurence S Kuter,NORAD Commander in Chief and Lieutenant General Robert M Lee,ADC Commander presses a button and activates charge on side of the mountain to begin excavation.
Excavation of North American Aerospace Defense Command (NORAD) combat operation center (COC) on Cheyenne Mountain, in Colorado, United States. Ore car comes out of tunnel. It moves on track. Trees on either side of the track. Engineers talk. Bulldozer loads dirt in trailer during the mucking out operation. Man marks drilling locations with spray paint. Workmen insert dynamite into a hole during rock drilling. Arc marked blasting pattern on wall. Men make wire connections. Scaling operation. Dynamite blasts. Bulldozer clears the dirt after blast and unloads it in trailer. Electric ore car dumps rock over side of mountain.
Excavation of North American Aerospace Defense Command (NORAD) combat operation center (COC) on Cheyenne Mountain in Colorado. Inspection party examines sheared rock on ground level. They examine crack in a wall from platform on a crane boom. Cribbed section of a tunnel. Tunnel connecting passageway and chamber area.
Excavation of North American Aerospace Defense Command (NORAD) combat operation center (COC) on Cheyenne Mountain in Colorado, United States. Cement bucket on hoist cable rises over mountain. Man instructs as it rises up. It lowers into an access shaft. Workmen dump it. View of North portal entrance with conveyor in place.
Excavation of North American Aerospace Defense Command (NORAD) combat operation center (COC) on Cheyenne Mountain in Colorado, United States. Workmen wire on master blasting switch box. Roof fencing operation. Men operate gunite machine. Materials being mixed. Men make cement forms and raise it to tunnel entrance. Workman smoothen out green cement over archway.
Excavation of North American Aerospace Defense Command (NORAD) combat operation center (COC) on Cheyenne Mountain in Colorado, United States. Pump crete machine and conveyor belt system outside the portal. Workmen work on wooden slabs. View of completed shaft. Bus leaves terminal.
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