DARPA Eyes Bistatic Sonar with UUV-Based Pingers January 25, 2016/Client: /by spireco1 spireco1 https://spirecommunications.com/wp-content/uploads/2017/12/SpireLogo-300x138.png spireco12016-01-25 10:10:262016-01-25 10:10:26DARPA Eyes Bistatic Sonar with UUV-Based Pingers