The deal to ship 250,000 barrels of fuel to Cuba could have eased an energy crisis. But the Trump administration says Vanguard Energy lacks the authorization to proceed.

© Norlys Perez/Reuters

Commanders do not usually speak publicly about future operations to avoid jeopardizing the mission’s success.

© Doug Mills/The New York Times

The trip comes as the Trump administration pushes for political and economic changes on the island.

© Haiyun Jiang/The New York Times

Nancy Lacore would face a tough fall election in a district drawn in 2021 to be more Republican. She is seeking to replace Representative Nancy Mace, who ran unsuccessfully for governor instead of running for re-election.

© Shawn Thew/EPA, via Shutterstock