51st Aerospace Medicine Sq Air Force Challenge Coin Pins Copy of letter which accompanied

Copy of letter which accompanied the coin is shown

NOTE 2: Also

Los Alamos National Laboratory (Los Alamos or LANL for short) is a United States Department of Energy national laboratory initially organized during World War II for the design of nuclear weapons as part of the Manhattan Project

Written around the edge: OPERATION NEPTUNE SPEAR name of the operation (insignia 160th Special Operations Aviation Regiment/ SOAR)

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

51st Aerospace Medicine Sq Air Force Challenge Coin Pins Copy of letter which accompanied1 3 4 inch Challenge Coin