The head of the Transportation Security Administration (TSA) says the hundreds of TSA staffers who have been sent to the southern border won't cause delays for July Fourth travelers.

The administration can manage the temporary shortage, and it will not impact airport wait times, chief David Pekoske told The Associated Press.

"We don’t anticipate this would be a long-term measure," he said.

TSA can manage for the "next several months," Pekoske added.

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TSA reportedly expects to screen about 12.1 million people between Wednesday and Sunday for the holiday weekend.

The plan to deploy TSA employees to the southern border to help in the enforcement of immigration policies surfaced last week during a House Oversight and Reform Committee hearing.

A TSA spokesperson previously confirmed to The Hill that 349 employees have been deployed to assist Customs and Border Protection.

The number of TSA employees sent to the border may rise to 650, according to the AP, but won't exceed about 1 percent of the agency's 63,000 employees.