Transportation Secretary Sean Duffy detailed his plan to update Newark Liberty International Airport‘s infrastructure to address recent outages, blaming the Biden administration for the current problems.

Top officials with the Department of Transportation and Federal Aviation Administration testified Wednesday on Capitol Hill, where they were grilled over a series of issues at some of the nation’s busiest airports.

Newark Liberty International Airport is facing another FAA-imposed ground delay due to staffing shortages, after a telecommunications issue led to delays on Sunday.

Transportation Secretary Sean Duffy on Monday largely blamed a string of problems plaguing Newark Liberty International Airport and the larger flight system on the Biden administration — though he also seemed to accidentally indict Trump for not doing more.

NBC’s Kristen Welker grilled Sean Duffy on the repeated air traffic control outages at Newark Liberty Airport and the transportation secretary didn’t seem convinced that his agency has a handle on the ongoing crisis.

Transportation Secretary Sean Duffy blamed the Biden administration for the recent chaos at the Newark Liberty International Airport — accusing them of bungling last year’s move of air traffic control from New York to Philadelphia.

Staff shortages and equipment failures at Newark Liberty International Airport have raised safety concerns in recent weeks.

Similar to last summer, there is currently a nationwide shortage of air traffic controllers, which will “take time” to replenish, according to Transportation Secretary Sean Duffy.