ms. coultas: what the faa does to contribute to the security of the airspace. >> could you speak louder? ms. vinograd: the faa has been working with industrial users over drones as well as hobbyist and industry. things we have been doing to help mitigate and work with our security partners and ensure safety. the faa's number one priority is to ensure that drones are integrated in a safe matter and does not affect passenger and commercial flights. things we have been doing is we put in existing 997's, working with security partners who request air restrictions over certain events. some of those may be mass gathering event read we have talked about stadiums, super bowl and other types of events. there are other events throughout the year that we work with our security partners to put in additional restrictions around those events. we also look at conducting field top exercises and work with state, local, tribal and territorial partners. and using such scenarios that if a drone would come into the airspace, or as you heard them say, a chairlift, or a noncompliant or criminal actor, how would