Three-day 8th Annual Software Radio Communications Summit being held in Vienna, VA at the Sheraton Premiere at Tysons Corner on February, 9, 2010. Leading military and industry experts are set to convene and discuss a series of key issues pertaining to Software Defined Radio. Some of the key topics to be discussed include interoperability efforts (including international and DHS perspectives); Next generation of SDRs: Cognitive radios and networks and their security challenges; SDR performance in theatre; Maintenance and T&E; and Waveform development.