Complex sentence: The second "Barton" (DD-722) was launched 10 October 1943 by Bath Iron Works Corp., Bath, Maine; sponsored by Ms. Barbara Dean Barton, granddaughter of Admiral Barton; and commissioned 30 December 1943, Commander J. W. Callahan in command.
Split into simpler sentences: The second "Barton" (DD-722) was launched on 10 October 1943 by Bath Iron Works Corp., Bath, Maine; sponsored by Ms. Barbara Dean Barton, granddaughter of Admiral Barton. The ship was commissioned on 30 December 1943, Commander J. W. Callahan in command.