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The Department of Homeland Security has lost over 2,000 employees during the 76-day shutdown that just ended.

Some shit you should know before you dig in: If you’re unaware, funding for most of DHS ran out on Feb 14 after months of fighting between Democrats and the White House over Trump’s immigration crackdown. Democrats were pushing for new restrictions on immigration enforcement agents, including a ban on agents wearing masks during operations and a warrant requirement for certain arrests, after federal immigration officers fatally shot two US citizens during ICE roundups in Minneapolis. Republicans pushed back hard, and the standoff dragged on for 76 days, setting a new record for the longest partial shutdown the country has ever seen. President Trump signed a bipartisan bill Thursday that keeps DHS funded through the end of September, including TSA, FEMA, the Coast Guard, the Secret Service, and the Cybersecurity and Infrastructure Security Agency (CISA). The deal doesn’t cover ICE or chunks of Customs and Border Protection, but Republicans are working on a separate $70 billion package to fund them through reconciliation.

What’s going on now: DHS Secretary Markwayne Mullin told Fox News Sunday that CISA’s headcount dropped by roughly 1,100 over the course of the shutdown, and TSA was down 8% (well above its typical 4.6% turnover rate). The agency confirmed Thursday that more than 1,110 officers have walked off the job since funding ran out on Feb 14, with replacements requiring four to six months of training before they can work regular airport duties.

Mullin said morale across the department took a serious hit and DHS is now sitting on a pile of unpaid invoices, a backlog of work that stacked up during the lapse, and other knock-on effects on top of the staffing problems. “We are also having a tremendous amount of morale issue. So where we had a large turnover — just in CISA were down 1,100 people.”

Aviation experts have warned the damage could ripple out for months. Sheldon Jacobson, who teaches computer science and studies aviation security at the University of Illinois Urbana-Champaign, told TIME the TSA’s normal attrition rate of about 11 officers a day jumped to over 30 a day in the final stretch of the shutdown. Daniel Bubb, a commercial aviation historian and former airline pilot at the University of Nevada, Las Vegas, said the remaining agents will be stretched thin and could start making safety mistakes the same way overworked air traffic controllers do, adding that TSA may struggle to recruit new hires given how unstable the job has looked.

DHS warned in a post on X earlier this week that the staffing losses have “SIGNIFICANTLY decreased TSA’s ability to meet passenger demand and left critical gaps in staffing” heading into the FIFA World Cup and summer travel season.

This all comes as the underlying fight over immigration enforcement still isn’t resolved, with Republicans pushing the $70 billion ICE and Border Patrol package through reconciliation but already hitting internal disagreements over how to move it.