The Passive Aeroelastic Tailored (PAT) wing bends under pressure from the highest loads applied during testing at NASA’s Armstrong Flight Research Center in California.

Ted Powers makes an adjustment to the Passive Aeroelastic Tailored (PAT) wing testing apparatus at NASA’s Armstrong Flight Research Center in California.

The Passive Aeroelastic Tailored (PAT) wing bends under pressure from the highest loads applied during testing at NASA’s Armstrong Flight Research Center in California.

Ted Powers, from left, Larry Hudson, Ron Haraguchi and Walter Hargis make adjustments to the Passive Aeroelastic Tailored (PAT) wing testing apparatus at NASA’s Armstrong Flight Research Center in California.

NASA’s Armstrong Flight Research Center and Langley Research Center staff members monitor a test of the Passive Aeroelastic Tailored (PAT) wing at NASA’s Armstrong Flight Research Center in California.

NASA’s Armstrong Flight Research Center and Langley Research Center staff members monitor a test of the Passive Aeroelastic Tailored (PAT) wing at NASA’s Armstrong Flight Research Center in California.

NASA’s Armstrong Flight Research Center and Langley Research Center staff members monitor a test of the Passive Aeroelastic Tailored (PAT) wing at NASA’s Armstrong Flight Research Center in California.

NASA’s Armstrong Flight Research Center and Langley Research Center staff members monitor a test of the Passive Aeroelastic Tailored (PAT) wing at NASA’s Armstrong Flight Research Center in California.

NASA’s Armstrong Flight Research Center and Langley Research Center staff members monitor a test of the Passive Aeroelastic Tailored (PAT) wing at NASA’s Armstrong Flight Research Center in California.

NASA’s Armstrong Flight Research Center and Langley Research Center staff members monitor a test of the Passive Aeroelastic Tailored (PAT) wing at NASA’s Armstrong Flight Research Center in California.

Wally Hargis, left, and Ted Powers complete preparations for testing the Passive Aeroelastic Tailored wing.

The Passive Aeroelastic Tailored wing is tested in a fixture at the NASA Armstrong Flight Test Center’s Flight Loads Laboratory in California.

Eric Sinks, left, and Ron Haraguchi work through a challenge with the wiring from the Passive Aeroelastic Tailored wing to the test fixture.

This broad view of the Flight Loads Laboratory at NASA’s Armstrong Flight Research Center in California shows the test set up for the high-aspect ratio Passive Aeroelastic Tailored wing.