SUS (SIGNAL UNDERWATER SOUND)
mk.64 explosive charge (inert) and inert tail
mk.84 sonic ,non explosive
dropped from aircraft or ship,used for signalling submarine ,also for whale research(not the explosive one!)
cheers Bob.
mk.64 explosive charge (inert) and inert tail
mk.84 sonic ,non explosive
dropped from aircraft or ship,used for signalling submarine ,also for whale research(not the explosive one!)
cheers Bob.