year. what makes this one particularly special? reporter: well, jenna, it s special for a number of reasons. if more of the survives, it s the last chance they ll have a time to come here to commemorate that day and those lost in this battle. there were about a hundred that have come with their families, several thousand have come to join them for this commemoration which begins in about five minutes. trl be a military flyover as well. the video from that time comes to life for them, and the stories we ve all seen, the video that we ve all seen is being told in a first person account. i just talked to a man named dick from oregon. at the time 69 years ago about this hour, about this moment he was working at the naval hospital. he watched the bombs blow up ships, he saw the harbor afire, men swimming through the burning oil. he saw the horror of that day, and he says when he comes back, it brings it back to life as if it was yesterday. they ve come here to remember those times, rememb