anthony kosha. amtrak vp of operations, d.j. stadler. chief of amtrak police, chief hanson. and deputy chief troutman. on the ntsb side they have approximately seven personnel on the ground with more personnel coming. they are represented in the form of investigator in charge, a chief of railroad division. that would be mike flanagan and george gregory respectively. mechanical investigator, signal investigator, track investigator operations investigator and human performance investigator. we have full cooperation from all of the agencies of course who were here last night. philadelphia fire department, police department department of homeland security within the police department and other federal agencies working with us separate at that separate at that police as well as well as other agencies septa everyone