The U.S. Army Corps of Engineers installed 55,263 square feet of solar wall on the Defense Logistics Agency’s Eastern Distribution Center in New Cumberland, Pa. (USACE file photo)
The U.S. Army Corps of Engineers installed 55,263 square feet of solar wall on the Defense Logistics Agency's Eastern Distribution Center in New Cumberland, Pa.

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Photo by: U.S. Army Corps of Engineers |  VIRIN: 130403-A-CE999-300.JPG