The second Beatty (DD-756) was launched on 30 November 1944 by Bethlehem Steel Co., Staten Island, New York; sponsored by Mrs. Charles H. Drayton, daughter, and Miss Mary Drayton, granddaughter of Admiral Beatty; and commissioned on 31 March 1945.

While in the Mediterranean she served on patrol duty, based at Haifa, Israel, during the Arab-Israeli dispute.

Retiring to the east coast Beatty operated out of Melville and Newport, Rhode Island, along the eastern seaboard, and in the Caribbean and Gulf of Mexico until March 1951 when she returned to the Mediterranean.

Upon arrival 31 October 1951, she joined Task Force 77 for patrol and blockade duty off the east coast of Korea.

Sailing via Hong Kong, Singapore, and Colombo, Ceylon, she transited the Suez Canal for a brief tour of the Mediterranean.