Big engine
Aerospace Testing Alliance Outside Machinists Danny Haddon and James Cossey inspect the Rolls-Royce Trent 1000 engine in the Aeropropulsion Systems Test Facility at Arnold Engineering Development Center at Arnold Air Force Base, Tenn., prior to testing. (Photo by David Housch)

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Photo by: David Housch |  VIRIN: 070306-F-6163H-041.JPG