 In 1956, the subsequent D-10T2S version of the gun began production for T-54B and T-55 tanks, equipped with two-plane "Tsyklon" gun stabilization.Versions of the D-10 were installed on new tanks as late as 1979, and thousands still remain in service in various countries.Returning to its naval roots, a version of the D-10 was installed as a coastal artillery piece in Finland in the 1960s.