Federal workers and agencies are feeling the negative impact of the shutdown.
Hydrick Thomas, the TSA council president for the American Federation of Government Employees, said in a statement that the decreased work force would "create a massive security risk for American travelers".
But Chin said that if the shutdown continues and additional screeners don't show up for work, the airport could be forced to close a security checkpoint at terminals that have multiple entry points, such as Concourse J or Concourse D.
Angel Coleman works at the Detroit IRS office and says, "It's tax season and people are not going to get their tax returns".
The rally was one of several across the country Thursday as the shutdown reached a critical stage in which hundreds of thousands of government workers will miss their first paycheck.
Funding to keep the government open ran out when Congress couldn't come to an agreement on President Trump's demand for $5.7 billion in funding for a wall on the southern border.
Roughly 420,000 federal employees were deemed essential and are working unpaid.
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Pittsburgh International Airport delivered lunches to TSA workers and air traffic controllers on Friday and plans to do it every Friday until the shutdown ends.
57-thousand TSA employees were not paid Friday as the potentially longest shutdown in US history continues.
"It's profoundly unfair and nearly disrespectful to put us in the middle of this debate over border security when we have absolutely nothing to do with it", said Gayzagian.
Carl said ongoing investigations have been put on hold by the shutdown. NATCA has requested an expedited hearing (PDF), asking that its case be heard before funding for the United States Courts lapses on January 18 and citing harm caused to its members who are excepted from furlough and now working without pay. Ninety percent of the workforce at the Federal Transit Administration is on furlough.
Members of the media outnumbered passengers outside G Friday night as the CBS Evening News prepared to go live there with its report on the shutdown's effects.
"Agents had been calling in sick at double the normal rate this week, leaving their supervisors anxious that they will not have enough agents to operate all of the airport's 11 security checkpoints", the report stated.
TSA officers screened 1.96 million passengers on Thursday and 99.9 percent waited in line less than 30 minutes, according to the agency.
Security lines at Logan Airport aren't being impacted by the shutdown and passengers seem to be sympathetic to those still working with a smile. "We thank TSA officers for their resilience and diligence, and we thank industry and the public for their continued acts of kindness and support".