icao's involvement was not what navigation systems goes back to the work of the icao committee on future air navigation system for common known as the fan fan to me. the was was a major contributor. in adopting the outcome of the committee of the tense air navigation conference making and what the conclusions released that explication of satellite technology appears to be the only viable solution to overcome the shortcomings of the present system and also fulfill the global needs and requirements of the foreseeable future and the satellite-based systems will be the key to worldwide improvements. in recognition of the turning point, acknowledged -- announcement of the importance of gnss which was highly dependent and is on the u.s. gps, president clinton offered the gps standard positioning service to the global aviation committee through icao to support international civil aviation. this commitment was reaffirmed in 2007 under president bush as follows, the u.s. government maintains its commitment to provide gps signals on a continuous worldwide basis, free of user fees and even worldwid

decision on the icao position for radio freak sigh spectrum. it doesn't always pan out that way at the event itself because again there's a lot of lobbying, a lot of pressure, a lot of jobs at stake, but as observers there, we do have a lot of close contracts with the states, and with friends in the aviation industry, and we have been very successful in working with the member states and the united states have been strong supporter of protecting the gps spectrum from other uses. >> thank you. >> mr. chairman, thank you. to deputy secretary, to follow-up on the chairman as question, he asked the same question that actually i was going to ask, but i'd like to have you clarify a point. my understanding is that you are proposing that dot work with other agencies to develop a policy. does that mean for radio transmission standards in the spectrum? is the interference now between the agencies? are we talking about transmission standards or what are we talking about? >> what we're really talking about is more generically and more broadly spectrum inte

chairman i would like to appeal to the committee that icao continue to benefit for u.s. leadership and cooperation and in many ways in putting the dalia will support to the sharing of technical information and expertise, supportive consensus building and excellence and international standards and policy development and concrete products assist the country's in their aviation programs provide u.s. technical humanitarian and political leadership to be dennis relationship and working together. thank you for this opportunity to share the views with this subject. >> thank you for that hearing the subcommittee has been informed that has regained momentum in deploying the next gen technology it will have enormous return on the american government investment and it reduces fuel used for the industry by some 20 or 40% to expand the capacity of the system without having to build additional runways and improve the safety of the system and shorten the time of the flights and it goes on and on and on. so reduced some footprint planes are able to glide down more of the airports where