Biden confirmed more Cabinet picks are expected to come this week, saying he would announce his Defense Secretary on Friday.

While Biden rolled out a portion of his national security team as part of his first Cabinet announcement, there has been continued speculation over his choice to lead the Justice and Defense Departments. Biden in recent days has been urged to appoint a person of color, particularly a Black person at the Department of Defense and as the Attorney General.

The speculation comes ahead of Biden meeting with the NAACP on Tuesday.

-ABC News' Molly Nagle

Biden has arrived at The Queen Theater in Wilmington, Delaware, his de facto transition headquarters ahead of his inauguration in 44 days again without a medical accessory he's donned for the larger part of the last week.

Although Biden's doctor said last Sunday he would likely be wearing a walking boot for "several weeks" after he sustained hairline fractures in his right foot, Biden was not wearing the boot when he walked into the theater Monday afternoon. While attending a Saturday Mass in Wilmington, he was also spotted without what Biden has referred to as "the big boot."

Biden has said his foot feels “good” despite sustaining the fractures just over a week ago, and addressed the boot issue during an interview with CNN Thursday, noting that the larger cast is a little clumsy and while he wears it "most of the time," he’s been given a smaller option for going out in public.

Biden will receive the President’s Daily Brief and meet with transition advisers on Monday, according to his public schedule, and pre-tape transition production elements at The Queen, his team said.

It comes ahead of Biden introducing his top health care picks to the public on Tuesday including California Attorney General Xavier Berecca to lead the Health and Human Services Department and Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, as Biden's chief medical adviser to lead the country through the worsening COVID-19 pandemic.

-ABC News' Molly Nagle

Secretary of State Brad Raffensperger has recertified the results of the 2020 presidential election following a second audit that entailed counties counting by hand every one of the approximately 5 million ballots cast in the race.

The Trump campaign requested a recount after votes were first certified for Biden on Nov. 20, but the machine recount, as officials said to expect, reaffirmed that Biden won Georgia's 16 electoral votes -- the first Democratic presidential victory in the state since 1992.

In a press release announcing the recertification, Raffensperger also gave a statement about the dismissal of former Trump legal team lawyer Sidney Powell's "Kraken" lawsuit by a Georgia court earlier in the day.

“Today is an important day for election integrity in Georgia and across the country,” Raffensperger said. “The claims in the Kraken lawsuit prove to be as mythological as the creature for which they’re named. Georgians can now move forward knowing that their votes, and only their legal votes, were counted accurately, fairly, and reliably.”

-ABC News' Quinn Scanlan

A Trump campaign lawsuit was rejected by a Georgia state court Monday because the Trump legal team failed to pay the filing fee and neglected to fill out the proper forms. It's the latest in a string of blunders and gaffes that are adding self-inflicted delays to their time-sensitive legal challenges.

Trump filed the lawsuit in Georgia Friday afternoon officially contesting the results of the election and requesting a do-over -- another in a series of long-shot legal bids that have so far met with stiff resistance from the state's Republican election officials. Pro-Trump legal efforts across the country have ended in at least 38 defeats to date, with only a single court victory -- in a case in Pennsylvania that was ultimately not consequential.

The latest rejection comes just after Georgia Secretary of State Brad Raffensperger said he would recertify the state’s election results, affirming Biden’s victory after a third count of presidential votes, sometime Monday.

-ABC News’ Matthew Mosk and Olivia Rubin

Shortly before releasing his press release confirming retired four-star Gen. Lloyd Austin as his pick to lead the Pentagon, The Atlantic magazine published an op-ed penned by Biden op-ed, laying out the reasons behind his choice and noting their history together in the Obama administration.

“Today, I ask Lloyd Austin to once more take on a mission for the United States of America—this time as the secretary-designate of the Department of Defense. I know he will do an outstanding job,” Biden wrote.

Austin, the former commander of U.S. Central Command -- with jurisdiction over military activities in the Middle East -- retired in 2016 after more than 40 years of military service. If confirmed, he would be the first African American to lead the Pentagon.

Biden pointed to Austin’s ”many strengths and his intimate knowledge of the Department of Defense and our government” as factors that made him “the person we need in this moment," saying his experience leading the Iraq drawdown prepares him for coordinating vaccine distribution and connecting with American families.

“And the next secretary of defense will have to make sure that our armed forces reflect and promote the full diversity of our nation. Austin will bring to the job not only his personal experience, but the stories of the countless young people he has mentored. If confirmed, he will ensure that every member of the armed forces is treated with dignity and respect, including Black, Latino, Asian American, Native American, women, and LGBTQ service members," Biden wrote.

Biden also seemed to address the fact that Lloyd’s nomination would require a waiver given his recent military service -- something that some Democrats have already expressed opposition to.

“I respect and believe in the importance of civilian control of our military and in the importance of a strong civil-military working relationship at DoD—as does Austin," he wrote.

"Austin also knows that the secretary of defense has a different set of responsibilities than a general officer and that the civil-military dynamic has been under great stress these past four years," Biden added.

The announcement comes as Biden and Vice President-elect Kamala Harris meet with civil rights leaders who have pushed Biden to name more people of color to senior-level Cabinet positions.

-ABC News' Molly Nagle