My daughter and I took this self-guided tour. Even though I'm not much of a plaque reader, but I found the tour very interesting. There was a very helpful retired Coast Guard officer who gave us some introductory information, and his voice was recognizable on many of the audio recordings throughout the tour. One caution - the stairs between decks are very steep. We found descending to be easier when facing the stairs, like one would do while descending a ladder. Very worthwhile.