<a href="//commons.wikimedia.org/wiki/Boeing_737" title="Boeing 737">Boeing 737</a>-100 in NASA testing, March 11, 1985. NASA B-737 test aircraft during braking test run on snow-covereed runway at Brunswick Naval Air Station, Maine. This test was part of joint NASA/FAA/Industry Winter Runway Friction Program which included FAA B-727 test aircraft and seven different ground friction measuring devices.
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Unknown NASA official</div>
NASA