Ex US Navy Bu44588 and later N9657. Was delivered to the museum on 1 May 1981. In the early 1990s it was still mostly white without markings, but by 2000 all paint had been removed. Circa 2008 it finally had insignia and serial 4588 applied, as seen here.
This photo was added on 2 January 2021, and has since been viewed 19 times.