Here is a full tour of the famous World War II submarine USS Drum (SS-228), the oldest surviving U.S. submarine and one of the top ten in performance out of 250 submarines in WWII. This is the clearest video on the internet of this fantastic and famous submarine, so please enjoy all of the fine details that can only be beat with an in person tour. This submarine is part of the USS Alabama museum on the east side of Mobile, Alabama.