failures that led up to the accident this is a tragedy that could have been avoided. we wouldn t be sitting here if measures were taken. reporter: the service paused briefly in a moment of silence. nothing can change that day or bring these loved ones back. choking back tears, jordan mcmiller promised his late mother to finish school and take care of the family she left behind. for something so tragic like this because this is not supposed to happen. we are not supposed to be here right now. reporter: in a tribute to those who died, a plaque bearing their names will be placed at the fort totten station, a reminder of not just the lives lost but a pledge never again. in northeast, sherri ly, fox 5 news. all but two of the nine victim s families attended the service. as you saw, there was a moment of silence at the memorial service. metro observed the moment of silence on its trains and in the stations today. the hustle and bustle of metro center quieted down for a