The Secretary of Defense would most likely make the case to Congress or the President for a new warship for the U.S. Navy due to the role established by the National Security Act of 1947.
The Cabinet department head most likely to make the case to Congress or the President for a new warship for the U.S. Navy would be the Secretary of Defense. The National Security Act of 1947 consolidated the War and Navy Departments into the Department of Defense, establishing the Defense Department and the role of Secretary of Defense as a cabinet-rank position. The Secretary of Defense plays a crucial role in advocating for military funding and acquisitions, including new warships for the U.S. Navy.
https://brainly.com/question/12843256