many people that have worked to bring this together in the leadership for someone living and brooethd this project for many, many years we're happy their family is still speaking to him this project has become a member of his family can't begin to convey the leadership that he brings to the project not only the project director but getting into the details and solving problems and making sure we get to point like today where we can celebrate a significant milestone please welcome john our project director (clapping.) good morning, everyone. this is a wonderful day for san francisco. you all have been invited today because you've played a special part in making this subway a reality thank you for your support. we did it. (clapping.) all right. so you're about to see the cutter heads of two tunnel boring machines that have completed a very long journey. we have mom chung to our right and big alma to our right actually reversed mom chang is a 25 one ton dynamic machine seven hundred and 50 ton monz machines there are beneath your feet. she launched in july and arrived june 2nd of this mo