Some are expected to have smooth confirmation paths, like Sen. Marco Rubio for secretary of state, while others, like defense secretary pick Pete Hegseth, face headwinds.

Senate hearings are scheduled this coming week for several of Trump’s picks for the Cabinet. Many have met with senators individually. Now, they will go before the committees overseeing the agencies that Trump wants them to run. Here’s a look at the schedule for Senate hearings set so far, in Eastern time:

The U.S. Senate will get down to the business of confirming President-elect Donald Trump’s Cabinet picks this week, when several nominees will face an uphill battle as they work to convince a majority of lawmakers that they are fit to serve in the position to which they’ve been nominated.

Senate confirmation hearings set to begin this week are likely to reveal a defining trait uniting Donald Trump’s incoming Cabinet, regardless of their diverse political backgrounds and uneven qualifications: an unflinching allegiance to the president-elect.

Pete Hegseth, Doug Burgum and Doug Collins are among the nominees set to appear before senators beginning Tuesday.

Several choices, including Pentagon pick Pete Hegseth and secretary of state nominee Marco Rubio, are set to begin the process this week.