 On April 24, "Richmond" participated in the capture of the Confederate ram "William H. Webb", commanded by Confederate raider Charles Read.After the war, Greene served on ordnance duty in Portsmouth, New Hampshire and, in 1867, was ordered to command , in the Pacific Squadron.On July 24, 1867, he was promoted to Commodore, was appointed a member of the Board of Visitors at the Naval Academy on May 4, 1868, and on October 15, 1868, assumed command of Pensacola Navy Yard, where he remained until March 1872, when he was retired.