Episode of Series “Sentinel”.
The unidentified submarine intruder known as “the Goblin” is no longer free to trespass at will in Australia’s waters. The “Barra” sonobuoy, the world’s most advanced submarine detection device is now in operation with the Royal Australian Air Force.
How to watch
In ACMI's collection
VHS; Access Print (Section 1)
16mm film; Limited Access Print (Section 2)
16mm film; Access Print (Section 1)