ayotte: i would like to welcome doctor gerald dillingham . he is the director of civil aviation issues at the government accountability office. gerald l. dillingham: thank you. since the early 1990s, uas had operated on a limited basis. as the chair and ranking minority member said in their remarks the list of potential uses is rapidly expanding. it is estimated to grow to more than $82 billion by 2025. the fsa has taken steps toward integration, including establishing testing sites. there is more work to be done. my statement today focuses on three areas for moving forward with integration. first, the status of the test sites. second, how other countries are integrating uas or commercial purposes and third article steps for integration. regarding the test sites in december 2014 we reported problems with the working relationship and communication between faa and the test site. for example, some operators reported they are not receiving adequate guidance on the kind of research to support integration or how it should be reported area and -- be

that completes my oral statement. >> thank you, doctor gerald dillingham. i want to welcome professor john villasenor. professor john villasenor is a nonresident senior fellow at the brookings institution. thank you professor car for car for being here today. >> thank you very much. members of the subcommittee, i appreciate the opportunity to testify on this important topic. among the faculty. the views i am expressing are not necessarily those of the brookings institution stanford the university of california. it it is important to start by acknowledging privacy is a legitimate concern. unmanned aircraft unmanned aircraft systems are making it easy and inexpensive to obtain overhead imagery. both the public and private sectors, mindful of the need to respect privacy, but as the number of users and flights continue to grow sometimes inadvertent -- inadvertently or intentionally uas has been used in ways that violates privacy. to what extent are our current legal frameworks up to the task? i believe existing legal frameworks will provide substantially more p

gerald dillingham here today. dr. dillingham is the director of civil aviation issues at the u.s. government accountability office better known as the gao. think you dr. dillingham. >> thank you, madam chairman ranking member cantwell, members of the subcommittee. since the early 1990s uas have operate on a limited basis in the national airspace system. primarily supporting the military and border security. as the chair and the ranking minority member said this morning in their remarks, the list of potential uses is now rapidly expanding and the economic impact of uas integration into the net has been as they do grow to more than $82 billion by 2025. as ms. gilligan testified faa has taken steps towards integration including establishing a six test sites the most recent issuing for small uas but there's more work to be done. my statement today focuses on three areas from moving forward with uas integration. first the status of the faa designated uas si. second, how other countries are integrating uas into airspace for commercial purposes, and third, critical next steps for integra