CNN Wire Staff
Washington (CNN) - The head of the Transportation Security Administration will likely get a pat-down on air-travel security measures as he testifies before Congress on Wednesday morning.
The appearance by John Pistole was scheduled before controversy broke out over the past week about the agency's full body scans and pat-downs. But protest movements about the searches make such questioning likely when Pistole testifies about his agency's security efforts before the Senate Committee on Commerce, Science and Transportation.
Hero pilot Capt. Chesley "Sully" Sullenberger on Tuesday joined the opposition to heightened airport security procedures, which critics have called invasive.
Sullenberger, who landed a crippled US Airways jet on the Hudson River last year, said the use of full-body pat-downs and advanced imaging scanners for airline personnel "just isn't an efficient use of our resources."
Federal transport authorities say the machines are a safe and necessary security precaution, especially following recent airline terrorism attempts.
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