NASA Dryden (now Armstrong) Flight Research Center's Gulfstream III aerodynamics research test bed aircraft is undergoing modification to support the Adaptive Compliant Trailing Edge (ACTE) project, a joint effort between NASA and the U.S. Air Force Research Laboratory.

Both of the G-III's conventional aluminum wing flaps were replaced with shape-changing composite flaps designed by FlexSys, Inc., that form continuous bendable surfaces. This 2-minute, 14-second video shows maneuvers flown to provide baseline data for comparison with data recorded after the flexible flaps were installed, a sample of a flexible flap being lab tested in a lab, and the G-III in NASA Dryden's Flight Loads Laboratory undergoing baseline structural loads testing.

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