Arnold AFB craftsmen and others join to aid supersonic wind tunnel return to service
Darrell Hargrove, a pipefitter in the Model and Machine Shop at Arnold Air Force Base, uses a jig to bend copper tubing to fit within tape reel covers that will be installed in the 16-foot supersonic wind tunnel, known as 16S, at Arnold. Completed bends are shown hanging on the right. This is among numerous efforts undertaken by craftsmen at Arnold which have contributed to the 16S return to service project. (U.S. Air Force photo by Bradley Hicks)

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Photo by: Bradley Hicks |  VIRIN: 191205-F-IL571-0050.JPG