you don't need a tour operator for this National Park/US NAVY memorial.
it is well done and memorable. cost is minimal. get tickets early or on line in advance ($3). you will need transportation from the ship over to Pearl Harbor. ...
We went all over Oahu and saw everything we wanted to and then some....including the surfers on the Pipeline just as the weather broke on the north end, the entire Pearl Harbor experience, some personal destinations and later downtown to Waikiki. She is an excellent tour operator (alohaprivate tours) for small (ie2-4) people who know pretty much where they are going. Recommend highly ...
We traveled in a small van along the perimeter of Oahu. I'm so glad we did this tour as it allowed us to really see the island in a day. We were able to visit beaches and the Byodo-In Temple, which is a must see and we would have missed it. The second half of the tour ( west side) was a bit long and boring except for the Dole plantation..but still worth it. ...