name is john vaughan, i'm from harris corporation. we're delighted a sponsor again this year of san francisco fleet week. our focus, if you had an opportunity to see on the way in the demonstration, is on interoperatability. this has been a challenge as lts general just mentioned. in the past we have been blocked in interoperatability by the use of different frequencies, by the use of different digital formats and been challenged in a number of different ways. i guess since those days there has been one important improvement, one technological improvement, that we use expensively to create interoperatability and that is ip networks built of sdparate systems and the network allows us to operate. as you see from our demonstration as you checked in this morning, as you ridge stered this morning, san francisco talking it oakland, talking to this ship, talking over cellular, talking across and with different networks. the challenge for interoperatability is beginning to be met, i would say, the challenge for interoperatability at the same

john carlos story." >> good evening. i am delighted, truly delighted to see all of you here this evening because this is an extraordinary evening and program. i am rob vaughan, which produces the book festival and programs. [applause] i am here to tell you this is the coldest book festival in history. it's a short history. 19 years of the nonetheless it is the coldest and does not appear to be getting better tomorrow or the next day either. sprint it began at 7:02 a.m. sunday. i'm sure none of you notice. we began that morning with the 19th annual virginia festival of books. next year, we might get a comeback for the 20th, which will begin on march the 19th and run to the 23rd. so removing back a day. we expect it to be warmer nonetheless. i'd like to remind you that couple things. one is that we would like a match if you make sure your cell phones are turned off for now it's a good time to do that. i'd appreciate it. the other is how space will be up most of the evening. c-span is recording the event. if you are shy and don't want to appear on camera, you might do from time to time. but i don't think that will be necessary along the way. we are grateful c-