The Osnabrück mortar attack was an improvised mortar attack carried out by a Provisional Irish Republican Army (IRA) unit based in mainland Europe on 28 June 1996 against the British Army's Quebec Barracks at Osnabrück Garrison near Osnabrück, Germany. Background The main participants in the Troubles, in particular the British Government and the IRA, had accepted by the early 1990s that they could not resolve the conflict by force. The IRA believed that greater progress towards republican objectives might be achieved by negotiation. In this context, the IRA declared a "permanent cessation" of hostilities on 31 August 1994. The IRA called off this ceasefire on 9 February 1996 because of the exclusion of Sinn Féin from the peace talks. They ended the truce by detonating a truck bomb at Canary Wharf in London, which caused serious damage to property and, despite advance warning from the IRA, the deaths of two civilians. In early June 1996, another truck bomb devastated Manchester city centre. The Provisional IRA activities of 1996–1997 were used to gain leverage in negotiations with the British government during the period. The attack The attack took place at 18:50, local time, when three Mark 15 mortar bombs were launched from an open Ford Transit van. The devices contained more than 180 lb (81.64 kg) of explosive in each projectile. The van had been modified by a former British Army engineer, Michael Dickson, who built the launch platform and aimed the tubes towards the barracks. The tubes were screwed to the floor of the van and masked with tarpaulins. Two of the bombs fell short of the perimeter fence and failed to explode, but the third went off 20 yards (18.3 mt) inside the base, leaving a crater near a petrol pump. No fire was ignited, but several buildings, cars and armoured vehicles were damaged by the blast. The destruction was described as 'substantial'. There were 150 soldiers inside the facilities at the time, but none were injured. An explosive charge was left in the vehicle with the intention of destroying forensic evidence, but the intact van's plates allowed it to be traced to Yorkshire. The IRA unit was composed of five members, two of them women, who had rented a holiday home in northern Germany where they built the mortar launchers. Dickson later claimed at his trial that he had no experience in handling explosives during his career in