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Petty Officer 2nd Class Thomas Armstrong, Station Cryogenics Division technician, purges a cryogenic hose over a liquid oxygen pan at the Navy Cryogenics Division building here July 9. The process of purging clears the hose of excess oxygen or nitrogen particles.
100709-M-1726B-051.jpg Photo By: Lance Cpl. Marcel Brown

Jul 9, 2010
Petty Officer 2nd Class Thomas Armstrong, Station Cryogenics Division technician, purges a cryogenic hose over a liquid oxygen pan at the Navy Cryogenics Division building here July 9. The process of purging clears the hose of excess oxygen or nitrogen particles.


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