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McKinley Climatic Laboratory celebrates 75th anniversary

An aerial view of the McKinley Climatic Laboratory at Eglin Air Force Base, Florida. The first tests at the MCL occurred in May 1947. The MCL is operated by the 717th Test Squadron, 804th Test Group, Arnold Engineering Development Complex. (U.S. Air Force photo by Richard Thomas/Matthew Posey)

PHOTO BY: Richard Thomas and Matthew Posey
VIRIN: 220526-F-F3405-1008.JPG
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