Air Force Photos

The first phase of C-17 Globemaster III drag reduction testing consisted of putting six orange Finlets on the aft part of the fuselage. A C-17 on loan from Joint Base McChord-Lewis, Washington, is the test plane for the program. With three Finlets on each side, test sorties were conducted to see how the C-17 performed with the modification. (U.S. Air Force photo/Kenji Thuloweit)

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Photo by: Kenji Thuloweit |  VIRIN: 160328-F-LO365-901.JPG