The United States Navy was stressed by the situation as 24% of its officers resigned and joined the Confederate States Navy , including 95 graduates and 59 midshipmen,  as well as many key leaders involved with the founding and establishment of USNA. The first superintendent, Admiral Franklin Buchanan , joined the Confederate States Navy as its first and primary admiral. Captain Sidney Smith Lee, the second commandant of midshipmen,  and older brother of Robert E. Lee, left Federal service in 1861 for the Confederate States Navy. Lieutenant William Harwar Parker , CSN, class of 1848, and instructor at USNA, joined the Virginia State Navy , and then went on to become the superintendent of the Confederate States Naval Academy. Lieutenant Charles "Savez" Read may have been "anchor man" (graduated last) in the class of 1860, but his later service to the Confederate States Navy included defending New Orleans, service on CSS Arkansas and CSS Florida , and command of a series of captured Union ships that culminated in seizing the US Revenue Cutter Caleb Cushing in Portland, Maine. Lieutenant James Iredell Waddell , CSN, a former instructor at the US Naval Academy, commanded the CSS Shenandoah . The first superintendent of the United States Naval Observatory , advocate  of the creation of the United States Naval Academy, after whom Maury Hall is named, similarly served in the Confederate States Navy .