Commander 36th Operations Group Anderson AFB, Guam Air Force Challenge Coin Air Force Flying Unit During this time Cooper held

During this time Cooper held classes occasionally at the National Rifle Association Whittington Center in New Mexico and other locations

and has some surface wear from handling

circa 2000s: It is 1 9/16 in diameter

and was likely based on reports that those who maintained equipment in one of the first enclosed antenna structures accessed the upper levels of the inflated dome via an airlock that led to a "tunnel" that was embedded in the structure's central column

with FAST redeploying to home station three days later

Commander 36th Operations Group Anderson AFB, Guam Air Force Challenge Coin Air Force Flying Unit During this time Cooper held1 15 16 inch Challenge Coin