the "ragnar" class was a class of three destroyers built for the royal swedish navy before world war i. the class consisted of , , and . the lead ship, "ragnar", was launched may 30, 1908. the design was based on the earlier destroyer . the "ragnar" class led a relatively quiet service life performing routine missions such as escorts and exercises between their commissioning before world war i and their decommissioning shortly after world war ii.