https://www.militaryaerospace.com/sensors/article/14200954/antisubmarine-warfare-asw-unmanned-small-sonobuoy-dispenser The idea involves a small and widely distributed multi-static field of sonobuoys pinging to gather signals from separated sonar nodes.
Apr 9th, 2021
Uav Sonobuoys 9 April 2021
WASHINGTON – Northrop Grumman Corp. anti-submarine warfare (ASW) experts are testing the feasibility of the company's MQ-8B Fire Scout unmanned helicopter to expand the scope and reach of ASW operations. Kris Osborn at Warrior Maven reports. Continue reading original article
The Military & Aerospace Electronics take:
9 April 2021 -- Northrop Grumman maritime engineers have begun prototyping sonobuoy dispensers for ship-based unmanned aerial vehicles (UAVs) to search for hostile submarines over large ocean areas.
Northrop Grumman partners with sonobuoy designer Ultra Electronics to prototype a new kind of small sonobuoy dispenser that enables the Fire Scout to carry as many as 40 sonobuoys on a mission. Northrop Grumman recently tested this new prototype off the coast of California in a mock-combat scenario to assess its ability to find and discriminate targets.
https://www.militaryaerospace.com/sensors/article/14200954/antisubmarine-warfare-asw-unmanned-small-sonobuoy-dispenser