New series 1/5. A new observational documentary follows life at Devonport Naval Command, Plymouth as navy ships set sail for the world's trouble's spots. Hello - Goodbye. Even tough gunners shed a tear as HMS Chatham heads out three weeks before Christmas for a six-month deployment to the Gulf. Then comes news that the vessel is riding the after effects of a massive earthquake that has generated a tsunami. Producer Christopher Terrill ; Executive producer Olive Lichtenstein Drama on the high seas: page 22; Book offer: page 23