Returning to Little Creek on 29 January 1955, Kleinsmith resumed operations along the eastern seaboard to the Caribbean. On 9 January 1957, she again departed for duty with the 6th Fleet, and for almost three months operated in the Eastern Mediterranean. In response to an urgent request from King Hussein of Jordan, whose government was threatened with leftist-oriented, Egyptian-supported subversion, Kleinsmith departed La Spezia, Italy, on 25 April for the Levantine Coast. Arriving off Beirut, Lebanon, on 30 April, she joined ships of the 6th Fleet in a formidable display of seapower, designed to show U.S. determination that the integrity and independence of nations in the Middle East would be guaranteed against Communist subversion or aggression. Remaining on station until 3 May, she then departed Rhodes, Greece, on 18 May, and returned to Little Creek on 1 June.
