Silent Hunter 3 All Submarines -

The Type XXI is a revolutionary "wonder weapon" that only becomes available near the very end of the war (1944–1945). It is designed to operate almost entirely submerged, with high underwater speeds that can actually outrun some Allied escorts.

Introduced late in the game (1944), the Type XXI represents a revolutionary leap in submarine technology. silent hunter 3 all submarines

The player’s choice of submarine in SH3 directly affects their campaign path: The Type XXI is a revolutionary "wonder weapon"