BAE developing underwater drones with longer range active sonar
DARPA has awarded BAE Systems a $4.6 million contract for its Mobile Offboard Clandestine Communications and Approach (MOCCA) program. The MOCCA program’s goal is to enable submarines to detect other submerged vessels at greater distances, while minimizing the risk of counter-detection. Active sonar, which sends out a pulse of sound — that loud “PING” you …