Meanwhile, there's a series of campaign fundraisers on the schedule for President Obama, Vice President Biden and first lady Michelle ObamaMichelle ObamaMichael Reagan: Trump's fighting words rattle Washington Michelle Obama inauguration reactions become Twitter meme Hillary Clinton holds head high as Trump takes office MORE.
The Senate will also tackle the Defense authorization bill after the House passed its $643 billion version of the bill on Friday.
And JPMorgan CEO Jamie Dimon is expected to testify before the Senate Banking Committee sometime this week.
Obama has fundraisers on the West Coast in the latter half of the week while the first lady has one in Cleveland, Ohio, and Biden has one in Boston.
Monday, May 21
Obama attends final meetings of the NATO summit in Chicago in the morning and then heads to Joplin, Mo., to deliver the commencement address at Joplin High School. He returns to DC in the evening.
First lady Michelle Obama will be in Cleveland, Ohio, for a campaign fundraiser.
Tuesday, May 22
Biden is in Keene, N.H., for a campaign rally at the Young Student Center at Keene State College. Then he heads to Boston for a fundraiser.
Mary Schapiro, chairman of the Securities and Exchange Commission; and Gary Gensler, chairman of the Commodity Futures Trading Commission, testify before the Senate Banking Committee at 10 a.m. in 538 Dirksen.
Arkansas and Kentucky hold their congressional and presidential primaries.
Wednesday, May 23
Obama delivers the commencement address at the Air Force Academy in Colorado Springs, Colo. He then travels to Denver for a fundraiser and, after that, heads to fundraisers in Atherton, Calif., and Redwood City, Calif. He will spend the night in San Jose, Calif.
Biden hosts a reception for leaders of labor organizations at the Naval Observatory.
Secretary of State Hillary ClintonHillary Rodham ClintonThousands expected for women's march Saturday Five takeaways from Trump's inauguration Michael Reagan: Trump's fighting words rattle Washington MORE, Defense Secretary Leon Panetta, and Chairman of the Joint Chiefs of Staff Martin Dempsey testify before the Senate Foreign Relations Committee at 10 a.m. in 419 Dirksen.
In the evening, Clinton will deliver the keynote address at the Gala Dinner for the International Special Operations Forces Week at the Tampa Convention Center.
Secret Service Director Mark Sullivan testifies before the Senate Homeland Security and Governmental Affairs Committee at 10:30 a.m. in G-50 Dirksen.
Thursday, May 24
Obama attends a fundraiser in Palo Alto, Calif. He then heads to Newton, Iowa, to talk about the economy and continue his push for Congress to finish his "To Do" list. He then has a fundraiser in Des Moines and returns to D.C. in the evening.
Biden attends a fundraiser for Senate candidate Tim KaineTim KaineDecaying DC bridge puts spotlight on Trump plan Booker to vote against Tillerson Senate Democrats brace for Trump era MORE (D) in McLean, Va.
New Federal Communications Commission (FCC) commissioners, Ajit Pai and Jessica Rosenworcel, will be at their first meeting. It will also be the first time that the FCC will have all five commissioners at a meeting since April of last year. It begins at 10:30 a.m. at the FCC building.
Friday, May 25
Biden and his wife, Dr. Jill Biden, address the opening session for the 18th Annual TAPS National Military Survivor Seminar & Good Grief Camp.
— Peter Schroeder, Jeremy Herb, Brendan Sasso and Elise Viebeck contributed