As such, they fashioned a sub-class inside the Mahan class, as all other members of that class had been Geared up with Mark 21 pedestal mounts in all 5 positions. Bow of USS Mahan (DD-364) in June 1944. A further see in the Mark 21 open up-back again defend pedestal mounts. Be aware the groove during the deck of Mount #two. This was to allow a pat