information this is an ongoing investigation, there are some things we know there are many things we do not know at this time, and we will not speculate on any of those things as you all know. first, let me introduce you to a few of our partners who are here with us now. i mentioned to you earlier this morning we were anticipating the arrival of the national transportation safety board, their members are on the ground now in board member robert zumelt and vice chairperson denzar. for amtrak board chairman anthony cotza, director of operations, chief of amtrak police, chief hanson and deputy chief troutman. on the ntsb side they have