MAY 30TH, 1864: The USS Massachusetts captured the blockade-runner Caledonia at sea off Cape Fear, NC. More on the Caledonia next week.
MAY 31ST, 1864: The USS Commodore Perry engaged Confederate artillery on the James River in Virginia. After a two-hour engagement the Perry, a converted ferry boat, was damaged by six hits.
Secretary Welles ordered the USS Constellation detached from duty in the Mediterranean and to report to Farragut in the Western Gulf Blockading Squadron.