breech block 



safe and arm device 



power package 



gun barrel 



shear pin link 



shear pin 



piston extension 



piston 



magnetic switch 

 magnet 



bearing plate 



reaction vessel 



down-haul cable 



sediment fluke 



Figure 2. Schematic of the propellant- 

 actuated deep water anchor. 



touchdown probe 



17 



