Subjects include: Labour's defence policy, particularly on nuclear disarmament; the sinking of the Argentine warship General Belgrano during the Falklands War and the prosecution of the Ministry of Defence official Clive Ponting under the Official Secrets Act after he sent documents on the Belgrano to the MP Tam Dalyell; the replacement of the Nimrod airborne early warning aircraft by the American Boeing E-3 AWACS.