The ships of the Jacob van Heemskerck class of the Royal Netherlands Navy were constructed as specialised air defence frigates. It was a further developement out of the Standard-frigates. Two ships were built. They served for about twenty years in the R.Neth. navy. Since 2005 both are in service as the Almirante Latorre class in the Chilean Navy.

USS Clark (FFG-11) was the fifth ship of the Oliver Hazard Perry class of guided-missile frigates.The ships were designed in the United States in the mid-1970s as general-purpose escort vessels inexpensive enough to be bought in large quantities to replace World War II-era destroyers and 1960s-era frigates.Intended to protect convoys, landing forces, supply and replenishment groups.The frigate was ordered from Bath Iron Works on 27 February 1976 as part of the FY76 program, Clark was laid dow...