In this episode, Paul Martin presents from the Royal Marines Museum at Southsea in Hampshire. The building started life as a barracks for Royal Marines and, since 1864, thousands have been trained and served there. Antiques expert Charles Hanson uncovers a navigational tool, and Catherine Southon enthuses about a decorative Japanese cabinet dating back to the 1870s. Paul finds out what it was like to serve as a Royal Marine commando.