RELIGION

The Latest: For Pope Francis, it's a state visit with some differences

  • Pope Francis, left, greets children as he is escorted by President Barack Obama, center, and first lady Michelle Obama, right, after arriving at Andrews Air Force Base, Md., Tuesday, Sept. 22, 2015. The Pope is spending three days in Washington before heading to New York and Philadelphia. This is the Pope's first visit to the United States. (AP Photo/Susan Walsh)

    Pope Francis, left, greets children as he is escorted by President Barack Obama, center, and first lady Michelle Obama, right, after arriving at Andrews Air Force Base, Md., Tuesday, Sept. 22, 2015. The Pope is spending three days in Washington before heading to New York and Philadelphia. This is the Pope's first visit to the United States. (AP Photo/Susan Walsh)  (The Associated Press)

  • Pope Francis, left, walks with President Barack Obama, right, after arriving at Andrews Air Force Base, Md., Tuesday, Sept. 22, 2015. The Pope is spending three days in Washington before heading to New York and Philadelphia. This is the Pope's first visit to the United States. (AP Photo/Susan Walsh)

    Pope Francis, left, walks with President Barack Obama, right, after arriving at Andrews Air Force Base, Md., Tuesday, Sept. 22, 2015. The Pope is spending three days in Washington before heading to New York and Philadelphia. This is the Pope's first visit to the United States. (AP Photo/Susan Walsh)  (The Associated Press)

  • A man holds up a Papal flag as he waits for Pope Francis departure from the Apostolic Nunciature, the Vatican's diplomatic mission in Washington, Wednesday, Sept. 23, 2015. Pope Francis will visit the White House where President Barack Obama will host a state arrival ceremony.  (AP Photo/Cliff Owen)

    A man holds up a Papal flag as he waits for Pope Francis departure from the Apostolic Nunciature, the Vatican's diplomatic mission in Washington, Wednesday, Sept. 23, 2015. Pope Francis will visit the White House where President Barack Obama will host a state arrival ceremony. (AP Photo/Cliff Owen)  (The Associated Press)

The latest developments in Pope Francis' visit to the United States. All times local:

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6:30 a.m.

As a head of state, Pope Francis officially is in the U.S. on what's known as a "state visit."

But the formal ceremony Wednesday morning on the White House South Lawn will be slightly different from most state arrival ceremonies.

For one thing, President Barack Obama and Francis will not review the troops, as presidents do with other visiting leaders. That's because the pontiff controls no armed forces.

Nor will Francis return to the White House in the evening as the guest at a lavish state dinner, one of the highlights of most state visits.

That's largely because of Francis' busy schedule.

The pontiff is spending the rest of the day with Roman Catholic bishops and other church officials and celebrating Mass at Catholic University.