FILE - U.S. President Theodore Roosevelt tests a steam shovel at the Culebra Cut during construction of the Panama Canal, a project he championed, November 1906. Roosevelt's visit to Panama made him the first sitting U.S. president to travel abroad. (AP Photo, File)

FILE - A cargo ship traverses the Agua Clara Locks of the Panama Canal in Colon, Panama, Sept. 2, 2024. (AP Photo/Matias Delacroix, File)

FILE - Looking north from the lighthouse on the west wall is the Gatun middle locks of the Panama Canal in the final stages of construction on June 25, 1913. Built by France and the United States, the canal links the Atlantic and the Pacific Oceans for commercial transportation. The lower locks and the Atlantic Ocean entrance can be seen in the distance. (AP Photo, File)

FILE - President Jimmy Carter speaks next to his wife Rosalynn upon arrival to Panama City to sign the Panama Canal Treaty, June 16, 1978. (AP Photo)

FILE - Cargo ships wait to transit the Panama Canal in Gatun Lake in Colon, Panama, Sept. 2, 2024. (AP Photo/Matias Delacroix, File)