REAL TIME COMPUTING IN THE ROYAL NAVY [Main Title]
Navy Instructional film explaining real-time computing in relation to naval combat, including prioritisation within the system, system components and control of weapons systems. The Type 21 frigate HMS Alacrity (F.174) is shown, with unidentified Type 22 frigates and Type 42 destroyers. Shots of Sea Wolf and Sea Dart missile launches are also included. The film opens with scenes of Second World War combat, including attacks on British warships by German Stuka and Italian Savoia-Marchetti SM-79 aircraft, filmed from onboard the British ships and showing the gunners returning fire.