Patrolling the perimeter (Manta Rays circle a seamount)
enrique262: The about 170 meter long Russian submarine, Dmitry
navigaero: Brenton Thwaites & Dominic Deutscher | Sea Patrol
discoverynews: Drone Sub-Hunter to Patrol Seas: …now the
wendyfeline:The British Sea Patrol has a new recruit.
Brenton Thwaites - Sea Patrol https://www.youtube.com/watch?v=PvoATwaoUFU