Four Royal Navy instructional films covering a wide range of activities are featured in this programme. Portland Ahead (1975) takes viewers through the process of having a ship and its company brought up to fighting fitness by FOST. Tug Work - At Sea (1978) features the crew of A95 Typhooon and ocean going tug, towing frigates. Hover Navy (1978 ) reviews the experimental use of hovercraft for mine counter measures, beach landings and maritime patrol work. Aircraft Salvage, Location and Recovery (1978), shows the recovery of a Wasp helicopter lost at sea in depths beyond normal diving limits.