 "Bayonne" moved south to Hampton Roads, Virginia, at the end of February 1945 and, on 3 March 1945, put to sea bound for Guantánamo Bay, Cuba, whence she conducted her shakedown training.On 3 April 1945, she departed the Guantánamo Bay operating area and, after stops at Kingston, Jamaica, and New York City, entered the Philadelphia Navy Yard at Philadelphia, Pennsylvania, for post-shakedown repairs.She completed repairs early in May 1945 and on 7 May 1945 headed for New York City.