Description: I. Dark background lit by occasional bursts of flame, flaring up in centre of screen (cordite fires? 196 ft).
II. MS of periscope cutting surface of calm sea - it is lowered and raised again. Aerial view of submerged submarine and periscope feather-camera tracks away over surface of sea to pick up wake of torpedo. MS off starboard bow of 'A' Class submarine seen running on the surface and while surfacing.
III. Day for night LS to headland on rocky coast - win and sea running in shore.
IV. HA/MS as torpedo is transferred from tender to after stowage of 'A' Class submarine alongside. Pan left to conning tower and raised focsle of tender.
V. Various MS views of running ranges of Fairey Firefly 1s and mixed Fireflies and Hawker Sea Furies, aft on aircraft carrier. CU of airscrew and engine cowling on Firefly as engine is run up repeatedly (20mm wing cannon in lower right foreground, barrage balloon visible through propeller arc). MCU as Firefly begins take off run. Static LA.MCU of Firefly 1 beginning take off run - the aircraft yaws slightly as the engine is run up to maximum power.