To install and view these files using the Harpoon Media Viewer during gamplay, go to this or equivalant custom installation directory. If the target directory doesn't exist create it. 

Therefore navigate to: 
C:\Matrix Games\Harpoon 3 Advanced Naval Warfare\Resource\DBPics\Sub\

Create a Folder here called 011 - Open it to unzip the image updates to here:
C:\Matrix Games\Harpoon 3 Advanced Naval Warfare\Resource\DBPics\Sub\011

Unzip the files, DN-SD-01-09808 - TYPE 209_HUD3.png, DN-SD-05-00372-CHANG BOGO_HUD3.PNG, DN-SD-01-09816 - TYPE 209-1300_HUD3.png, DN-SD-05-00353 - TYPE 209-1200_HUD3.png & SUB11_Harpoon2_Image.png to the 011 folder. Start Harpoon ANW and locate the following HUD3 Database platforms to view these images.

S 401 Cakra [Type 209/1300]
SS 31 Casma [Type 209/1200]
S 110 Glavkos [Type 209/1100]
S 101 Shyri [Type 209/1300]
S 347 Atilay [Type 209/1200]
S 44 Shishumar [Type 209/1500]
S 31 Salta [Type 209/1200]
061 Chang Bogo [Type 209/1200]
S 30 Tupi [Type 209/1400]
S 31 Sabalo [Type 209/1300]
S 353 Preveze [Type 209/1400]
SS 28 Pijao [Type 209/1200]
S 20 Thompson [Type 209/1400]
