Spectrum congestion is a growing problem. It increasingly limits operational capabilities due to the increasing deployment and bandwidth of wireless communications, the use of net-centric and unmanned systems, and the need for increased flexibility in radar and communications spectrum to improve performance and to overcome sophisticated countermeasures.   Ongoing wireless …

Blockchain is a transformative technology for the two billion people in the world currently underserved by financial institutions. The technology has the potential to enhance privacy, security and freedom of conveyance of data. Blockchain is based on open, global infrastructure, decentralized public ledger of transactions that no one person or …

Navies of various countries have announced making their warships and submarines  propelled with an electric propulsion system. Instead of driving the ship’s propellers directly, diesel engines turn electric generators, which in turn power electric motors that drive the propellers. This arrangement enables diesels to be placed away from the shafts and …