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AFCEC engineer leaves behind 40-year legacy of environmental...
www.afcec.af.mil
PHOTO DETAILS / DOWNLOAD HI-RES 1 of 5. At right, Karl Willi Ningelgen talks about the evolution on environmental practices in Germany with his coworker Sean McCain. (U.S. Air Force Photo/Debbie Aragon). AFCEC's Europe Senior Environmental Advisor Karl Willi Ningelgen gives a gesture showing ...
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