you heard secretary warmath and the chief talk about it pretty frequently, and i think all of us in the department recognize it, and that subset of capabilities are typically very software defined, they have in many cases commercial variants , and what often is happening is you have the technology cycles that are far outpacing our buying models. often, those buying models are driven by the two year appropriation process, and they are also driven by the normal way we do business, which is a much more deliberate process. we have to, in many ways, find a new way to get after that subset of capabilities differently, and the examples i always give, tactical ua s systems are evolving very quickly, counter uas systems are evolving very quickly. most software that has commercial components to it is evolving quickly. tactical radios, i have talked about that as an example of having sensitive but unclassified communications. we normally structure a program to define a requirement, develop it over a number of years, and test the capability, then we plan for a procurement cycle that goes into the a