UNIQUE AND EXTREMELY RARE!!! "OPERATION DEEP FREEZE" WAS NEAR THE BEGINNING OF THE UNITED STATES RESEARCH INTO ANTARCTICA. IT IS PART OF THE NEW SERIES CALLED "ANTARCTICA-CONTINENT 7". THIS ZIPPO CIGARETTE LIGHTER IS NOT EASILY FOUND. THEY WERE ONLY GIVEN TO THE U.S. NAVY'S SQUADRON SAILORS WHO WERE PART OF "OPERATION DEEP FREEZE." THEY SERVED IN ANTARCTICA DURING 1960 AND 1961 AS PART OF THE NATIONAL SCIENCE FOUNDATION SUPPORT FOR ANTARCTIC OPERATIONS DURING THE MONTHS OF OCTOBER THRU MARCH EVERY YEAR SINCE 1955 AND DECOMMISSIONED IN 1999. THEY CALLED THEMSELVES "THE FROZEN FEW" WHO WERE LUCKY ENOUGH TO STEP FOOT AND WORK ON "THE COLDEST PLACE ON EARTH"!!! MANY MILITARY PERSONNEL WENT TO ANTARCTICA. "OPERATION HIGH JUMP", "VX6", "VXE-6" AND NOW THE "109TH AIRLIFT WING."