• A search-and-rescue mission is underway off the coast of Newfoundland, Canada, for a missing submersible that takes tourists to see the wreckage of the Titanic. The U.S. Coast Guard said Monday afternoon it was searching for the 21-foot sub and its five-person crew. 

• The Hill’s Cheyanne M. Daniels looks at the history surrounding Juneteenth, including the long push to make it a federal holiday. 
  
  

• The United Nations‘ 193 member nations unanimously approved the first legally binding treaty to protect marine life in international waters. The treaty requires ratification by 60 countries to take effect.

President Biden was at the Lucy Evans Baylands Nature Interpretive Center and Preserve in Palo Alto, Calif. Monday, where he announced $600 million in funding for climate adaptation projects.

Biden said the Commerce Department is launching a Climate Resilience Regional Challenge that’ll provide $600 million to coastal and Great Lake communities for projects protecting against impacts from sea level rise, flooding and storm surge. He also announced new investments in electric grid modernization and an upcoming summit focused on climate resilience.

A federal magistrate judge ordered that former President Trump not disclose information about the classified documents case to the public and that Trump may only see evidence in the case with his attorneys or their staff present. Judge Bruce Reinhart also said Trump can’t retain copies of evidence.

A similar order was made in the hush-money case in which Trump was indicted by a state court earlier this year. Trump has pleaded not guilty in both cases.

The Justice Department requested restrictions on Friday, writing that materials in the classified documents case “include information pertaining to ongoing investigations, the disclosure of which could compromise those investigations and identify uncharged individuals.”

NATO Secretary General Jens Stoltenberg said the alliance does not plan to officially invite Ukraine to become a member of the group during its July summit, though leaders are discussing “how to move Ukraine closer to NATO.”

Meanwhile, Ukrainian officials say the country has retaken an eighth village since beginning its counteroffensive. The Hill’s Brad Dress has more on what Ukrainian officials, Russian officials and analysts are saying here.

Secretary of State Antony Blinken said China would not agree to open a crisis communication line between the country and the U.S., a Biden administration priority, during his recent talks with Chinese officials.

More from The Hill’s Laura Kelly: “…Blinken said Monday the U.S. would continue to press for a direct military-to-military channel, and senior Chinese officials accepted invitations to continue high-level discussions in Washington, framing the visit as making incremental progress on issues upon which there are profound and vehement disagreements.” Read more here

“Trump’s prosecutor faces a very high bar, and so far he has fallen short” — Mick Mulvaney, a contributor to NewsNation who formerly served as a congressman from South Carolina, director of the Office of Management and Budget, director of the Consumer Financial Protection Bureau and acting White House chief of staff under then-President Trump. (Read here)

“The perils to democracy of indicting — and not indicting — Donald Trump” — Douglas E. Schoen, a political consultant who served as an adviser to former President Clinton and to Michael Bloomberg’s 2020 presidential campaign. (Read here)

3 p.m.: The House Intelligence Committee holds a closed hearing with Special Counsel John Durham.

5 and 5:30 p.m.: The Senate Armed Services Subcommittee on Airland and Subcommittee on Strategic Forces, respectively, hold markups on the 2024 National Defense Authorization Act.