Christopher Culley, Rockwell Collins customer support specialst, fits and issues an F-35 Lightning ll Generation lll Helmet Mounted Display System at the Pilot Fit Facility at  Luke Air Force Base, Arizona, Sept. 24, 2015. The new system includes a number of upgrades, including improved night vision, optics and liquid-crystal displays. (U.S. Air Force photo by Airman 1st Class Ridge Shan)
<br>Unit: 56th Fighter Wing Public Affairs
Airman 1st Class Ridge Shan
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