American skippers aren't left out. The 1.5 patch introduces the (the ultimate US diesel boat) and properly refines the Balao-class with correct late-war radar and AA suites.
"The water is purple/black."
: After installation, check the bottom-right corner of the main menu. It should display to confirm the update was successful. mod compatibility guides or instructions on how to install the 4GB memory patch for version 1.5? Patch 1.5 - SUBSIM Radio Room Forums Silent Hunter 4 1.5 Patch Download
. Unlike previous updates, version 1.5 was never released as a free standalone patch; it is a paid upgrade that essentially converts the base game into the Silent Hunter 4: Gold Edition How to Get Version 1.5 American skippers aren't left out