1. It is not sure when those testing will finish. After that, if we would decide, that they are ready to be full part of the game, they will be added to the tech tree in a full release. But no exact ETA for that now. 2. So far in 0.10.10 they will spot only for 2km.  3. As announced, first ping will reduce their detectability by 25% and second ping will double the damage if they hit torpedo protection. They won' tbe like DWT as they should be still able to hit DD. 4. Okhotnik doesn't have any ASW by design, as it is historical, that it didn't have any ASW armament, so we decided not to add it to her in-game as well. 
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