U.S. Marine Corps photo by Lance Cpl. Trevon S. Peracca/Released 120418-M-0482P-024.jpg
Apr 18, 2012
Sidney Mohseni, the resource efficiency manager at Tetratech, gives a demonstration to a Marine on the difference of energy consumption with different light bulbs in front of the 11 area Country Store, on Camp Pendleton, April 18. For security purposes this photo has been altered.::r::::n::
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