Buchanan was laid down by Todd - Pacific Shipbuilding at Seattle , Washington on 23 April 1959 , launched on 11 May 1960 .
Buchanan was commissioned on 7 February 1962 .
Buchanan was laid down by Todd - Pacific Shipbuilding at Seattle , Washington on 23 April 1959 , launched on 11 May 1960 and commissioned on 7 February 1962 .