The U.S. Maritime Administration (MARAD) has launched a virtual tour of the GTS Admiral W.M. Callaghan (T-AKR-1001), a MARAD Ready Reserve Force vessel currently berthed in Alameda, California.

William M. Callaghan Jr., a Navy rear admiral who retired in 1980 as commander of Fleet Air Mediterranean based in Naples, Italy, died Dec. 22 at Walter Reed National Naval Medical Center in Bethesda.