What is Trident for – The Implausible Tasks; The Opportunity Costs; The Perils of Riding Pillion Published on 4th October 2005 in Events 2000-2005, Trident 4th October 2005, The British Institute of Radiology, London W1 Speaker: Professor Michael McGwire, Cdr. RN, OBE Chair: Professor Robert Hinde, CBE, FRS FBA