give thanks to mike franks and washington team and pentagon staff here, debra gordon, robert perry and lisa perry for making today happen. finally quick note before we begin, both participants have in advance chosen not to speak about nuclear party under consideration by the administration and will not be commenting on that subject. further note, we have the secretary for about 30 minutes. his day job calls him elsewhere. thanks for doing that, ash, thanks for fitting us in. there will be a bit of a change in the middle. if everyone can remain seated we'll carry on with secretary perry. i'll turn it over to you. >> it's no accident these two gentlemen are here to discuss defense technology and innovation as most of you know, bill perry started his life as a mathematician, as a phd in mathematics and ash has a phd in physics. as i say, when you look back at the history of innovation and defense department, you often find scientists serving in top civilian jobs as the catalyst for that kind of change. so let me just set the stage very briefly because we don't have much time with secretar