Sealion (1959). In the aft auxiliary machinery and gland space (thrust block compartment) between 103 and 107 stations below the main flat.

A roll film negative. On board the submarine Sealion (1959) towards the end of a long refit at Portsmouth. The photographer is in the aft auxiliary machinery and gland space (thrust block compartment) between 103 and 107 stations below the main flat. He is looking to starboard and down into the aft corner showing the forward end of the stern tube welded to the bulkhead at station 107 with a stern gland assembly attached by a ring of 1 1/4 in. studs and nuts. In the left foreground is the turning gear.