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United States Under Secretary of the Navy

The Under Secretary of the Navy is the second-highest ranking civilian official in the United States Department of the Navy. The Under Secretary, called the "Under" in Pentagon slang, reports to the Secretary of the Navy (SECNAV). Before the creation of the Under Secretary's office, the second-highest civilian at the Department of the Navy was the Assistant Secretary of the Navy.

United States
Under Secretary of the Navy

Mr. Under Secretary
The Honorable
(formal address in writing)

No fixed term

August 22, 1940

17th in SecDef succession by seniority of appointment

Deputy Under Secretary of the Navy

The current Under Secretary of the Navy is Erik Raven.